18752343760

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{18899}}^1$

素因数の和:19148

約数の個数: 80

約数和(自身を含む): 44434656000

約数和(自身を除く): 25682312240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 157, 158, 314, 316, 395, 628, 632, 785, 790, 1256, 1264, 1570, 1580, 2512, 3140, 3160, 6280, 6320, 12403, 12560, 18899, 24806, 37798, 49612, 62015, 75596, 94495, 99224, 124030, 151192, 188990, 198448, 248060, 302384, 377980, 496120, 755960, 992240, 1493021, 1511920, 2967143, 2986042, 5934286, 5972084, 7465105, 11868572, 11944168, 14835715, 14930210, 23737144, 23888336, 29671430, 29860420, 47474288, 59342860, 59720840, 118685720, 119441680, 234404297, 237371440, 468808594, 937617188, 1172021485, 1875234376, 2344042970, 3750468752, 4688085940, 9376171880, 18752343760]

約数ペア:

[(1, 18752343760), (2, 9376171880), (4, 4688085940), (5, 3750468752), (8, 2344042970), (10, 1875234376), (16, 1172021485), (20, 937617188), (40, 468808594), (79, 237371440), (80, 234404297), (157, 119441680), (158, 118685720), (314, 59720840), (316, 59342860), (395, 47474288), (628, 29860420), (632, 29671430), (785, 23888336), (790, 23737144), (1256, 14930210), (1264, 14835715), (1570, 11944168), (1580, 11868572), (2512, 7465105), (3140, 5972084), (3160, 5934286), (6280, 2986042), (6320, 2967143), (12403, 1511920), (12560, 1493021), (18899, 992240), (24806, 755960), (37798, 496120), (49612, 377980), (62015, 302384), (75596, 248060), (94495, 198448), (99224, 188990), (124030, 151192)]