80140240

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{461}}^1$

素因数の和:568

約数の個数: 80

約数和(自身を含む): 194893776

約数和(自身を除く): 114753536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 53, 80, 82, 106, 164, 205, 212, 265, 328, 410, 424, 461, 530, 656, 820, 848, 922, 1060, 1640, 1844, 2120, 2173, 2305, 3280, 3688, 4240, 4346, 4610, 7376, 8692, 9220, 10865, 17384, 18440, 18901, 21730, 24433, 34768, 36880, 37802, 43460, 48866, 75604, 86920, 94505, 97732, 122165, 151208, 173840, 189010, 195464, 244330, 302416, 378020, 390928, 488660, 756040, 977320, 1001753, 1512080, 1954640, 2003506, 4007012, 5008765, 8014024, 10017530, 16028048, 20035060, 40070120, 80140240]

約数ペア:

[(1, 80140240), (2, 40070120), (4, 20035060), (5, 16028048), (8, 10017530), (10, 8014024), (16, 5008765), (20, 4007012), (40, 2003506), (41, 1954640), (53, 1512080), (80, 1001753), (82, 977320), (106, 756040), (164, 488660), (205, 390928), (212, 378020), (265, 302416), (328, 244330), (410, 195464), (424, 189010), (461, 173840), (530, 151208), (656, 122165), (820, 97732), (848, 94505), (922, 86920), (1060, 75604), (1640, 48866), (1844, 43460), (2120, 37802), (2173, 36880), (2305, 34768), (3280, 24433), (3688, 21730), (4240, 18901), (4346, 18440), (4610, 17384), (7376, 10865), (8692, 9220)]