7972640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3833}}^1$

素因数の和:3861

約数の個数: 48

約数和(自身を含む): 20289528

約数和(自身を除く): 12316888

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 3833, 7666, 15332, 19165, 30664, 38330, 49829, 61328, 76660, 99658, 122656, 153320, 199316, 249145, 306640, 398632, 498290, 613280, 797264, 996580, 1594528, 1993160, 3986320, 7972640]

約数ペア:

[(1, 7972640), (2, 3986320), (4, 1993160), (5, 1594528), (8, 996580), (10, 797264), (13, 613280), (16, 498290), (20, 398632), (26, 306640), (32, 249145), (40, 199316), (52, 153320), (65, 122656), (80, 99658), (104, 76660), (130, 61328), (160, 49829), (208, 38330), (260, 30664), (416, 19165), (520, 15332), (1040, 7666), (2080, 3833)]