42217720

素因数分解:

$2^3\times 5^1\times {\mathrm{677}}^1\times {\mathrm{1559}}^1$

素因数の和:2247

約数の個数: 32

約数和(自身を含む): 95191200

約数和(自身を除く): 52973480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 677, 1354, 1559, 2708, 3118, 3385, 5416, 6236, 6770, 7795, 12472, 13540, 15590, 27080, 31180, 62360, 1055443, 2110886, 4221772, 5277215, 8443544, 10554430, 21108860, 42217720]

約数ペア:

[(1, 42217720), (2, 21108860), (4, 10554430), (5, 8443544), (8, 5277215), (10, 4221772), (20, 2110886), (40, 1055443), (677, 62360), (1354, 31180), (1559, 27080), (2708, 15590), (3118, 13540), (3385, 12472), (5416, 7795), (6236, 6770)]