42721180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{983}}^1$

素因数の和:1086

約数の個数: 48

約数和(自身を含む): 93731904

約数和(自身を除く): 51010724

約数列:

[1, 2, 4, 5, 10, 20, 41, 53, 82, 106, 164, 205, 212, 265, 410, 530, 820, 983, 1060, 1966, 2173, 3932, 4346, 4915, 8692, 9830, 10865, 19660, 21730, 40303, 43460, 52099, 80606, 104198, 161212, 201515, 208396, 260495, 403030, 520990, 806060, 1041980, 2136059, 4272118, 8544236, 10680295, 21360590, 42721180]

約数ペア:

[(1, 42721180), (2, 21360590), (4, 10680295), (5, 8544236), (10, 4272118), (20, 2136059), (41, 1041980), (53, 806060), (82, 520990), (106, 403030), (164, 260495), (205, 208396), (212, 201515), (265, 161212), (410, 104198), (530, 80606), (820, 52099), (983, 43460), (1060, 40303), (1966, 21730), (2173, 19660), (3932, 10865), (4346, 9830), (4915, 8692)]