38990320

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{3271}}^1$

素因数の和:3433

約数の個数: 40

約数和(自身を含む): 91288800

約数和(自身を除く): 52298480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1192, 1490, 2384, 2980, 3271, 5960, 6542, 11920, 13084, 16355, 26168, 32710, 52336, 65420, 130840, 261680, 487379, 974758, 1949516, 2436895, 3899032, 4873790, 7798064, 9747580, 19495160, 38990320]

約数ペア:

[(1, 38990320), (2, 19495160), (4, 9747580), (5, 7798064), (8, 4873790), (10, 3899032), (16, 2436895), (20, 1949516), (40, 974758), (80, 487379), (149, 261680), (298, 130840), (596, 65420), (745, 52336), (1192, 32710), (1490, 26168), (2384, 16355), (2980, 13084), (3271, 11920), (5960, 6542)]