2042620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:150

約数の個数: 48

約数和(自身を含む): 4572288

約数和(自身を除く): 2529668

約数列:

[1, 2, 4, 5, 10, 20, 41, 47, 53, 82, 94, 106, 164, 188, 205, 212, 235, 265, 410, 470, 530, 820, 940, 1060, 1927, 2173, 2491, 3854, 4346, 4982, 7708, 8692, 9635, 9964, 10865, 12455, 19270, 21730, 24910, 38540, 43460, 49820, 102131, 204262, 408524, 510655, 1021310, 2042620]

約数ペア:

[(1, 2042620), (2, 1021310), (4, 510655), (5, 408524), (10, 204262), (20, 102131), (41, 49820), (47, 43460), (53, 38540), (82, 24910), (94, 21730), (106, 19270), (164, 12455), (188, 10865), (205, 9964), (212, 9635), (235, 8692), (265, 7708), (410, 4982), (470, 4346), (530, 3854), (820, 2491), (940, 2173), (1060, 1927)]