4202140

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1289}}^1$

素因数の和:1461

約数の個数: 24

約数和(自身を含む): 8885520

約数和(自身を除く): 4683380

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1289, 1630, 2578, 3260, 5156, 6445, 12890, 25780, 210107, 420214, 840428, 1050535, 2101070, 4202140]

約数ペア:

[(1, 4202140), (2, 2101070), (4, 1050535), (5, 840428), (10, 420214), (20, 210107), (163, 25780), (326, 12890), (652, 6445), (815, 5156), (1289, 3260), (1630, 2578)]