9928720

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1571}}^1$

素因数の和:1663

約数の個数: 40

約数和(自身を含む): 23391360

約数和(自身を除く): 13462640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1571, 1580, 3142, 3160, 6284, 6320, 7855, 12568, 15710, 25136, 31420, 62840, 124109, 125680, 248218, 496436, 620545, 992872, 1241090, 1985744, 2482180, 4964360, 9928720]

約数ペア:

[(1, 9928720), (2, 4964360), (4, 2482180), (5, 1985744), (8, 1241090), (10, 992872), (16, 620545), (20, 496436), (40, 248218), (79, 125680), (80, 124109), (158, 62840), (316, 31420), (395, 25136), (632, 15710), (790, 12568), (1264, 7855), (1571, 6320), (1580, 6284), (3142, 3160)]