894920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1721}}^1$

素因数の和:1745

約数の個数: 32

約数和(自身を含む): 2169720

約数和(自身を除く): 1274800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1721, 3442, 6884, 8605, 13768, 17210, 22373, 34420, 44746, 68840, 89492, 111865, 178984, 223730, 447460, 894920]

約数ペア:

[(1, 894920), (2, 447460), (4, 223730), (5, 178984), (8, 111865), (10, 89492), (13, 68840), (20, 44746), (26, 34420), (40, 22373), (52, 17210), (65, 13768), (104, 8605), (130, 6884), (260, 3442), (520, 1721)]