48750020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3121}}^1$

素因数の和:3212

約数の個数: 48

約数和(自身を含む): 113291136

約数和(自身を除く): 64541116

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 3121, 3124, 3905, 6242, 7810, 12484, 15605, 15620, 31210, 34331, 62420, 68662, 137324, 171655, 221591, 343310, 443182, 686620, 886364, 1107955, 2215910, 2437501, 4431820, 4875002, 9750004, 12187505, 24375010, 48750020]

約数ペア:

[(1, 48750020), (2, 24375010), (4, 12187505), (5, 9750004), (10, 4875002), (11, 4431820), (20, 2437501), (22, 2215910), (44, 1107955), (55, 886364), (71, 686620), (110, 443182), (142, 343310), (220, 221591), (284, 171655), (355, 137324), (710, 68662), (781, 62420), (1420, 34331), (1562, 31210), (3121, 15620), (3124, 15605), (3905, 12484), (6242, 7810)]