25274920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:179

約数の個数: 128

約数和(自身を含む): 68428800

約数和(自身を除く): 43153880

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 31, 34, 40, 44, 55, 62, 68, 85, 88, 109, 110, 124, 136, 155, 170, 187, 218, 220, 248, 310, 340, 341, 374, 436, 440, 527, 545, 620, 680, 682, 748, 872, 935, 1054, 1090, 1199, 1240, 1364, 1496, 1705, 1853, 1870, 2108, 2180, 2398, 2635, 2728, 3379, 3410, 3706, 3740, 4216, 4360, 4796, 5270, 5797, 5995, 6758, 6820, 7412, 7480, 9265, 9592, 10540, 11594, 11990, 13516, 13640, 14824, 16895, 18530, 20383, 21080, 23188, 23980, 27032, 28985, 33790, 37060, 37169, 40766, 46376, 47960, 57443, 57970, 67580, 74120, 74338, 81532, 101915, 114886, 115940, 135160, 148676, 163064, 185845, 203830, 229772, 231880, 287215, 297352, 371690, 407660, 459544, 574430, 631873, 743380, 815320, 1148860, 1263746, 1486760, 2297720, 2527492, 3159365, 5054984, 6318730, 12637460, 25274920]

約数ペア:

[(1, 25274920), (2, 12637460), (4, 6318730), (5, 5054984), (8, 3159365), (10, 2527492), (11, 2297720), (17, 1486760), (20, 1263746), (22, 1148860), (31, 815320), (34, 743380), (40, 631873), (44, 574430), (55, 459544), (62, 407660), (68, 371690), (85, 297352), (88, 287215), (109, 231880), (110, 229772), (124, 203830), (136, 185845), (155, 163064), (170, 148676), (187, 135160), (218, 115940), (220, 114886), (248, 101915), (310, 81532), (340, 74338), (341, 74120), (374, 67580), (436, 57970), (440, 57443), (527, 47960), (545, 46376), (620, 40766), (680, 37169), (682, 37060), (748, 33790), (872, 28985), (935, 27032), (1054, 23980), (1090, 23188), (1199, 21080), (1240, 20383), (1364, 18530), (1496, 16895), (1705, 14824), (1853, 13640), (1870, 13516), (2108, 11990), (2180, 11594), (2398, 10540), (2635, 9592), (2728, 9265), (3379, 7480), (3410, 7412), (3706, 6820), (3740, 6758), (4216, 5995), (4360, 5797), (4796, 5270)]