802246120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{81199}}^1$

素因数の和:81242

約数の個数: 64

約数和(自身を含む): 2046240000

約数和(自身を除く): 1243993880

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 9880, 81199, 162398, 324796, 405995, 649592, 811990, 1055587, 1542781, 1623980, 2111174, 3085562, 3247960, 4222348, 5277935, 6171124, 7713905, 8444696, 10555870, 12342248, 15427810, 20056153, 21111740, 30855620, 40112306, 42223480, 61711240, 80224612, 100280765, 160449224, 200561530, 401123060, 802246120]

約数ペア:

[(1, 802246120), (2, 401123060), (4, 200561530), (5, 160449224), (8, 100280765), (10, 80224612), (13, 61711240), (19, 42223480), (20, 40112306), (26, 30855620), (38, 21111740), (40, 20056153), (52, 15427810), (65, 12342248), (76, 10555870), (95, 8444696), (104, 7713905), (130, 6171124), (152, 5277935), (190, 4222348), (247, 3247960), (260, 3085562), (380, 2111174), (494, 1623980), (520, 1542781), (760, 1055587), (988, 811990), (1235, 649592), (1976, 405995), (2470, 324796), (4940, 162398), (9880, 81199)]