40070120

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{461}}^1$

素因数の和:566

約数の個数: 64

約数和(自身を含む): 94303440

約数和(自身を除く): 54233320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 53, 82, 106, 164, 205, 212, 265, 328, 410, 424, 461, 530, 820, 922, 1060, 1640, 1844, 2120, 2173, 2305, 3688, 4346, 4610, 8692, 9220, 10865, 17384, 18440, 18901, 21730, 24433, 37802, 43460, 48866, 75604, 86920, 94505, 97732, 122165, 151208, 189010, 195464, 244330, 378020, 488660, 756040, 977320, 1001753, 2003506, 4007012, 5008765, 8014024, 10017530, 20035060, 40070120]

約数ペア:

[(1, 40070120), (2, 20035060), (4, 10017530), (5, 8014024), (8, 5008765), (10, 4007012), (20, 2003506), (40, 1001753), (41, 977320), (53, 756040), (82, 488660), (106, 378020), (164, 244330), (205, 195464), (212, 189010), (265, 151208), (328, 122165), (410, 97732), (424, 94505), (461, 86920), (530, 75604), (820, 48866), (922, 43460), (1060, 37802), (1640, 24433), (1844, 21730), (2120, 18901), (2173, 18440), (2305, 17384), (3688, 10865), (4346, 9220), (4610, 8692)]