38399140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{147689}}^1$

素因数の和:147711

約数の個数: 24

約数和(自身を含む): 86841720

約数和(自身を除く): 48442580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 147689, 295378, 590756, 738445, 1476890, 1919957, 2953780, 3839914, 7679828, 9599785, 19199570, 38399140]

約数ペア:

[(1, 38399140), (2, 19199570), (4, 9599785), (5, 7679828), (10, 3839914), (13, 2953780), (20, 1919957), (26, 1476890), (52, 738445), (65, 590756), (130, 295378), (260, 147689)]