65551240

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{4951}}^1$

素因数の和:5293

約数の個数: 32

約数和(自身を含む): 147965760

約数和(自身を除く): 82414520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2648, 3310, 4951, 6620, 9902, 13240, 19804, 24755, 39608, 49510, 99020, 198040, 1638781, 3277562, 6555124, 8193905, 13110248, 16387810, 32775620, 65551240]

約数ペア:

[(1, 65551240), (2, 32775620), (4, 16387810), (5, 13110248), (8, 8193905), (10, 6555124), (20, 3277562), (40, 1638781), (331, 198040), (662, 99020), (1324, 49510), (1655, 39608), (2648, 24755), (3310, 19804), (4951, 13240), (6620, 9902)]