126428920

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1\times {\mathrm{337}}^1$

素因数の和:544

約数の個数: 64

約数和(自身を含む): 291301920

約数和(自身を除く): 164873000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 113, 166, 226, 332, 337, 415, 452, 565, 664, 674, 830, 904, 1130, 1348, 1660, 1685, 2260, 2696, 3320, 3370, 4520, 6740, 9379, 13480, 18758, 27971, 37516, 38081, 46895, 55942, 75032, 76162, 93790, 111884, 139855, 152324, 187580, 190405, 223768, 279710, 304648, 375160, 380810, 559420, 761620, 1118840, 1523240, 3160723, 6321446, 12642892, 15803615, 25285784, 31607230, 63214460, 126428920]

約数ペア:

[(1, 126428920), (2, 63214460), (4, 31607230), (5, 25285784), (8, 15803615), (10, 12642892), (20, 6321446), (40, 3160723), (83, 1523240), (113, 1118840), (166, 761620), (226, 559420), (332, 380810), (337, 375160), (415, 304648), (452, 279710), (565, 223768), (664, 190405), (674, 187580), (830, 152324), (904, 139855), (1130, 111884), (1348, 93790), (1660, 76162), (1685, 75032), (2260, 55942), (2696, 46895), (3320, 38081), (3370, 37516), (4520, 27971), (6740, 18758), (9379, 13480)]