42427720

素因数分解:

$2^3\times 5^1\times {\mathrm{727}}^1\times {\mathrm{1459}}^1$

素因数の和:2197

約数の個数: 32

約数和(自身を含む): 95659200

約数和(自身を除く): 53231480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 727, 1454, 1459, 2908, 2918, 3635, 5816, 5836, 7270, 7295, 11672, 14540, 14590, 29080, 29180, 58360, 1060693, 2121386, 4242772, 5303465, 8485544, 10606930, 21213860, 42427720]

約数ペア:

[(1, 42427720), (2, 21213860), (4, 10606930), (5, 8485544), (8, 5303465), (10, 4242772), (20, 2121386), (40, 1060693), (727, 58360), (1454, 29180), (1459, 29080), (2908, 14590), (2918, 14540), (3635, 11672), (5816, 7295), (5836, 7270)]