13455380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 29529360

約数和(自身を除く): 16073980

約数列:

[1, 2, 4, 5, 10, 20, 41, 61, 82, 122, 164, 205, 244, 269, 305, 410, 538, 610, 820, 1076, 1220, 1345, 2501, 2690, 5002, 5380, 10004, 11029, 12505, 16409, 22058, 25010, 32818, 44116, 50020, 55145, 65636, 82045, 110290, 164090, 220580, 328180, 672769, 1345538, 2691076, 3363845, 6727690, 13455380]

約数ペア:

[(1, 13455380), (2, 6727690), (4, 3363845), (5, 2691076), (10, 1345538), (20, 672769), (41, 328180), (61, 220580), (82, 164090), (122, 110290), (164, 82045), (205, 65636), (244, 55145), (269, 50020), (305, 44116), (410, 32818), (538, 25010), (610, 22058), (820, 16409), (1076, 12505), (1220, 11029), (1345, 10004), (2501, 5380), (2690, 5002)]