85111181740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{181157}}^1$

素因数の和:181331

約数の個数: 72

約数和(自身を含む): 194933254320

約数和(自身を除く): 109822072580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 169, 260, 278, 338, 556, 676, 695, 845, 1390, 1690, 1807, 2780, 3380, 3614, 7228, 9035, 18070, 23491, 36140, 46982, 93964, 117455, 181157, 234910, 362314, 469820, 724628, 905785, 1811570, 2355041, 3623140, 4710082, 9420164, 11775205, 23550410, 25180823, 30615533, 47100820, 50361646, 61231066, 100723292, 122462132, 125904115, 153077665, 251808230, 306155330, 327350699, 503616460, 612310660, 654701398, 1309402796, 1636753495, 3273506990, 4255559087, 6547013980, 8511118174, 17022236348, 21277795435, 42555590870, 85111181740]

約数ペア:

[(1, 85111181740), (2, 42555590870), (4, 21277795435), (5, 17022236348), (10, 8511118174), (13, 6547013980), (20, 4255559087), (26, 3273506990), (52, 1636753495), (65, 1309402796), (130, 654701398), (139, 612310660), (169, 503616460), (260, 327350699), (278, 306155330), (338, 251808230), (556, 153077665), (676, 125904115), (695, 122462132), (845, 100723292), (1390, 61231066), (1690, 50361646), (1807, 47100820), (2780, 30615533), (3380, 25180823), (3614, 23550410), (7228, 11775205), (9035, 9420164), (18070, 4710082), (23491, 3623140), (36140, 2355041), (46982, 1811570), (93964, 905785), (117455, 724628), (181157, 469820), (234910, 362314)]