161701840

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{54629}}^1$

素因数の和:54679

約数の個数: 40

約数和(自身を含む): 386124840

約数和(自身を除く): 224423000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 54629, 109258, 218516, 273145, 437032, 546290, 874064, 1092580, 2021273, 2185160, 4042546, 4370320, 8085092, 10106365, 16170184, 20212730, 32340368, 40425460, 80850920, 161701840]

約数ペア:

[(1, 161701840), (2, 80850920), (4, 40425460), (5, 32340368), (8, 20212730), (10, 16170184), (16, 10106365), (20, 8085092), (37, 4370320), (40, 4042546), (74, 2185160), (80, 2021273), (148, 1092580), (185, 874064), (296, 546290), (370, 437032), (592, 273145), (740, 218516), (1480, 109258), (2960, 54629)]