64037740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3469}}^1$

素因数の和:3562

約数の個数: 48

約数和(自身を含む): 146905920

約数和(自身を除く): 82868180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 3469, 3692, 4615, 6938, 9230, 13876, 17345, 18460, 34690, 45097, 69380, 90194, 180388, 225485, 246299, 450970, 492598, 901940, 985196, 1231495, 2462990, 3201887, 4925980, 6403774, 12807548, 16009435, 32018870, 64037740]

約数ペア:

[(1, 64037740), (2, 32018870), (4, 16009435), (5, 12807548), (10, 6403774), (13, 4925980), (20, 3201887), (26, 2462990), (52, 1231495), (65, 985196), (71, 901940), (130, 492598), (142, 450970), (260, 246299), (284, 225485), (355, 180388), (710, 90194), (923, 69380), (1420, 45097), (1846, 34690), (3469, 18460), (3692, 17345), (4615, 13876), (6938, 9230)]