25228940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2797}}^1$

素因数の和:2858

約数の個数: 48

約数和(自身を含む): 59228064

約数和(自身を除く): 33999124

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 2797, 4510, 5594, 9020, 11188, 13985, 27970, 30767, 55940, 61534, 114677, 123068, 153835, 229354, 307670, 458708, 573385, 615340, 1146770, 1261447, 2293540, 2522894, 5045788, 6307235, 12614470, 25228940]

約数ペア:

[(1, 25228940), (2, 12614470), (4, 6307235), (5, 5045788), (10, 2522894), (11, 2293540), (20, 1261447), (22, 1146770), (41, 615340), (44, 573385), (55, 458708), (82, 307670), (110, 229354), (164, 153835), (205, 123068), (220, 114677), (410, 61534), (451, 55940), (820, 30767), (902, 27970), (1804, 13985), (2255, 11188), (2797, 9020), (4510, 5594)]