20131812760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{7793}}^1$

素因数の和:7981

約数の個数: 128

約数和(自身を含む): 50000068800

約数和(自身を除く): 29868256040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 58, 68, 85, 116, 131, 136, 145, 170, 232, 262, 290, 340, 493, 524, 580, 655, 680, 986, 1048, 1160, 1310, 1972, 2227, 2465, 2620, 3799, 3944, 4454, 4930, 5240, 7598, 7793, 8908, 9860, 11135, 15196, 15586, 17816, 18995, 19720, 22270, 30392, 31172, 37990, 38965, 44540, 62344, 64583, 75980, 77930, 89080, 129166, 132481, 151960, 155860, 225997, 258332, 264962, 311720, 322915, 451994, 516664, 529924, 645830, 662405, 903988, 1020883, 1059848, 1129985, 1291660, 1324810, 1807976, 2041766, 2259970, 2583320, 2649620, 3841949, 4083532, 4519940, 5104415, 5299240, 7683898, 8167064, 9039880, 10208830, 15367796, 17355011, 19209745, 20417660, 29605607, 30735592, 34710022, 38419490, 40835320, 59211214, 69420044, 76838980, 86775055, 118422428, 138840088, 148028035, 153677960, 173550110, 236844856, 296056070, 347100220, 503295319, 592112140, 694200440, 1006590638, 1184224280, 2013181276, 2516476595, 4026362552, 5032953190, 10065906380, 20131812760]

約数ペア:

[(1, 20131812760), (2, 10065906380), (4, 5032953190), (5, 4026362552), (8, 2516476595), (10, 2013181276), (17, 1184224280), (20, 1006590638), (29, 694200440), (34, 592112140), (40, 503295319), (58, 347100220), (68, 296056070), (85, 236844856), (116, 173550110), (131, 153677960), (136, 148028035), (145, 138840088), (170, 118422428), (232, 86775055), (262, 76838980), (290, 69420044), (340, 59211214), (493, 40835320), (524, 38419490), (580, 34710022), (655, 30735592), (680, 29605607), (986, 20417660), (1048, 19209745), (1160, 17355011), (1310, 15367796), (1972, 10208830), (2227, 9039880), (2465, 8167064), (2620, 7683898), (3799, 5299240), (3944, 5104415), (4454, 4519940), (4930, 4083532), (5240, 3841949), (7598, 2649620), (7793, 2583320), (8908, 2259970), (9860, 2041766), (11135, 1807976), (15196, 1324810), (15586, 1291660), (17816, 1129985), (18995, 1059848), (19720, 1020883), (22270, 903988), (30392, 662405), (31172, 645830), (37990, 529924), (38965, 516664), (44540, 451994), (62344, 322915), (64583, 311720), (75980, 264962), (77930, 258332), (89080, 225997), (129166, 155860), (132481, 151960)]