53110580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1\times {\mathrm{271}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 115153920

約数和(自身を除く): 62043340

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 239, 271, 410, 478, 542, 820, 956, 1084, 1195, 1355, 2390, 2710, 4780, 5420, 9799, 11111, 19598, 22222, 39196, 44444, 48995, 55555, 64769, 97990, 111110, 129538, 195980, 222220, 259076, 323845, 647690, 1295380, 2655529, 5311058, 10622116, 13277645, 26555290, 53110580]

約数ペア:

[(1, 53110580), (2, 26555290), (4, 13277645), (5, 10622116), (10, 5311058), (20, 2655529), (41, 1295380), (82, 647690), (164, 323845), (205, 259076), (239, 222220), (271, 195980), (410, 129538), (478, 111110), (542, 97990), (820, 64769), (956, 55555), (1084, 48995), (1195, 44444), (1355, 39196), (2390, 22222), (2710, 19598), (4780, 11111), (5420, 9799)]