564216580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{2539}}^1$

素因数の和:2860

約数の個数: 48

約数和(自身を含む): 1218712320

約数和(自身を除く): 654495740

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 271, 410, 542, 820, 1084, 1355, 2539, 2710, 5078, 5420, 10156, 11111, 12695, 22222, 25390, 44444, 50780, 55555, 104099, 111110, 208198, 222220, 416396, 520495, 688069, 1040990, 1376138, 2081980, 2752276, 3440345, 6880690, 13761380, 28210829, 56421658, 112843316, 141054145, 282108290, 564216580]

約数ペア:

[(1, 564216580), (2, 282108290), (4, 141054145), (5, 112843316), (10, 56421658), (20, 28210829), (41, 13761380), (82, 6880690), (164, 3440345), (205, 2752276), (271, 2081980), (410, 1376138), (542, 1040990), (820, 688069), (1084, 520495), (1355, 416396), (2539, 222220), (2710, 208198), (5078, 111110), (5420, 104099), (10156, 55555), (11111, 50780), (12695, 44444), (22222, 25390)]