127217840

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{42979}}^1$

素因数の和:43029

約数の個数: 40

約数和(自身を含む): 303782640

約数和(自身を除く): 176564800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 42979, 85958, 171916, 214895, 343832, 429790, 687664, 859580, 1590223, 1719160, 3180446, 3438320, 6360892, 7951115, 12721784, 15902230, 25443568, 31804460, 63608920, 127217840]

約数ペア:

[(1, 127217840), (2, 63608920), (4, 31804460), (5, 25443568), (8, 15902230), (10, 12721784), (16, 7951115), (20, 6360892), (37, 3438320), (40, 3180446), (74, 1719160), (80, 1590223), (148, 859580), (185, 687664), (296, 429790), (370, 343832), (592, 214895), (740, 171916), (1480, 85958), (2960, 42979)]