25201060

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{421}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 55086192

約数和(自身を除く): 29885132

約数列:

[1, 2, 4, 5, 10, 20, 41, 73, 82, 146, 164, 205, 292, 365, 410, 421, 730, 820, 842, 1460, 1684, 2105, 2993, 4210, 5986, 8420, 11972, 14965, 17261, 29930, 30733, 34522, 59860, 61466, 69044, 86305, 122932, 153665, 172610, 307330, 345220, 614660, 1260053, 2520106, 5040212, 6300265, 12600530, 25201060]

約数ペア:

[(1, 25201060), (2, 12600530), (4, 6300265), (5, 5040212), (10, 2520106), (20, 1260053), (41, 614660), (73, 345220), (82, 307330), (146, 172610), (164, 153665), (205, 122932), (292, 86305), (365, 69044), (410, 61466), (421, 59860), (730, 34522), (820, 30733), (842, 29930), (1460, 17261), (1684, 14965), (2105, 11972), (2993, 8420), (4210, 5986)]