90454520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{883}}^1$

素因数の和:1104

約数の個数: 64

約数和(自身を含む): 220540320

約数和(自身を除く): 130085800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 197, 260, 394, 520, 788, 883, 985, 1576, 1766, 1970, 2561, 3532, 3940, 4415, 5122, 7064, 7880, 8830, 10244, 11479, 12805, 17660, 20488, 22958, 25610, 35320, 45916, 51220, 57395, 91832, 102440, 114790, 173951, 229580, 347902, 459160, 695804, 869755, 1391608, 1739510, 2261363, 3479020, 4522726, 6958040, 9045452, 11306815, 18090904, 22613630, 45227260, 90454520]

約数ペア:

[(1, 90454520), (2, 45227260), (4, 22613630), (5, 18090904), (8, 11306815), (10, 9045452), (13, 6958040), (20, 4522726), (26, 3479020), (40, 2261363), (52, 1739510), (65, 1391608), (104, 869755), (130, 695804), (197, 459160), (260, 347902), (394, 229580), (520, 173951), (788, 114790), (883, 102440), (985, 91832), (1576, 57395), (1766, 51220), (1970, 45916), (2561, 35320), (3532, 25610), (3940, 22958), (4415, 20488), (5122, 17660), (7064, 12805), (7880, 11479), (8830, 10244)]