28501460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109621}}^1$

素因数の和:109643

約数の個数: 24

約数和(自身を含む): 64457736

約数和(自身を除く): 35956276

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 109621, 219242, 438484, 548105, 1096210, 1425073, 2192420, 2850146, 5700292, 7125365, 14250730, 28501460]

約数ペア:

[(1, 28501460), (2, 14250730), (4, 7125365), (5, 5700292), (10, 2850146), (13, 2192420), (20, 1425073), (26, 1096210), (52, 548105), (65, 438484), (130, 219242), (260, 109621)]