8161460

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{269}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 18098640

約数和(自身を除く): 9937180

約数列:

[1, 2, 4, 5, 10, 20, 37, 41, 74, 82, 148, 164, 185, 205, 269, 370, 410, 538, 740, 820, 1076, 1345, 1517, 2690, 3034, 5380, 6068, 7585, 9953, 11029, 15170, 19906, 22058, 30340, 39812, 44116, 49765, 55145, 99530, 110290, 199060, 220580, 408073, 816146, 1632292, 2040365, 4080730, 8161460]

約数ペア:

[(1, 8161460), (2, 4080730), (4, 2040365), (5, 1632292), (10, 816146), (20, 408073), (37, 220580), (41, 199060), (74, 110290), (82, 99530), (148, 55145), (164, 49765), (185, 44116), (205, 39812), (269, 30340), (370, 22058), (410, 19906), (538, 15170), (740, 11029), (820, 9953), (1076, 7585), (1345, 6068), (1517, 5380), (2690, 3034)]