57938140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{222839}}^1$

素因数の和:222861

約数の個数: 24

約数和(自身を含む): 131029920

約数和(自身を除く): 73091780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 222839, 445678, 891356, 1114195, 2228390, 2896907, 4456780, 5793814, 11587628, 14484535, 28969070, 57938140]

約数ペア:

[(1, 57938140), (2, 28969070), (4, 14484535), (5, 11587628), (10, 5793814), (13, 4456780), (20, 2896907), (26, 2228390), (52, 1114195), (65, 891356), (130, 445678), (260, 222839)]