1012846640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{973891}}^1$

素因数の和:973917

約数の個数: 40

約数和(自身を含む): 2536014768

約数和(自身を除く): 1523168128

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 973891, 1947782, 3895564, 4869455, 7791128, 9738910, 12660583, 15582256, 19477820, 25321166, 38955640, 50642332, 63302915, 77911280, 101284664, 126605830, 202569328, 253211660, 506423320, 1012846640]

約数ペア:

[(1, 1012846640), (2, 506423320), (4, 253211660), (5, 202569328), (8, 126605830), (10, 101284664), (13, 77911280), (16, 63302915), (20, 50642332), (26, 38955640), (40, 25321166), (52, 19477820), (65, 15582256), (80, 12660583), (104, 9738910), (130, 7791128), (208, 4869455), (260, 3895564), (520, 1947782), (1040, 973891)]