80201120

素因数分解:

$2^5\times 5^1\times {\mathrm{501257}}^1$

素因数の和:501272

約数の個数: 24

約数和(自身を含む): 189475524

約数和(自身を除く): 109274404

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 501257, 1002514, 2005028, 2506285, 4010056, 5012570, 8020112, 10025140, 16040224, 20050280, 40100560, 80201120]

約数ペア:

[(1, 80201120), (2, 40100560), (4, 20050280), (5, 16040224), (8, 10025140), (10, 8020112), (16, 5012570), (20, 4010056), (32, 2506285), (40, 2005028), (80, 1002514), (160, 501257)]