40190020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{467}}^1$

素因数の和:820

約数の個数: 48

約数和(自身を含む): 91361088

約数和(自身を除く): 51171068

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 331, 467, 662, 934, 1324, 1655, 1868, 2335, 3310, 4303, 4670, 6071, 6620, 8606, 9340, 12142, 17212, 21515, 24284, 30355, 43030, 60710, 86060, 121420, 154577, 309154, 618308, 772885, 1545770, 2009501, 3091540, 4019002, 8038004, 10047505, 20095010, 40190020]

約数ペア:

[(1, 40190020), (2, 20095010), (4, 10047505), (5, 8038004), (10, 4019002), (13, 3091540), (20, 2009501), (26, 1545770), (52, 772885), (65, 618308), (130, 309154), (260, 154577), (331, 121420), (467, 86060), (662, 60710), (934, 43030), (1324, 30355), (1655, 24284), (1868, 21515), (2335, 17212), (3310, 12142), (4303, 9340), (4670, 8606), (6071, 6620)]