70320340

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{13681}}^1$

素因数の和:13947

約数の個数: 24

約数和(自身を含む): 148258152

約数和(自身を除く): 77937812

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 13681, 27362, 54724, 68405, 136810, 273620, 3516017, 7032034, 14064068, 17580085, 35160170, 70320340]

約数ペア:

[(1, 70320340), (2, 35160170), (4, 17580085), (5, 14064068), (10, 7032034), (20, 3516017), (257, 273620), (514, 136810), (1028, 68405), (1285, 54724), (2570, 27362), (5140, 13681)]