17801120

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1567}}^1$

素因数の和:1653

約数の個数: 48

約数和(自身を含む): 42674688

約数和(自身を除く): 24873568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 1567, 2272, 2840, 3134, 5680, 6268, 7835, 11360, 12536, 15670, 25072, 31340, 50144, 62680, 111257, 125360, 222514, 250720, 445028, 556285, 890056, 1112570, 1780112, 2225140, 3560224, 4450280, 8900560, 17801120]

約数ペア:

[(1, 17801120), (2, 8900560), (4, 4450280), (5, 3560224), (8, 2225140), (10, 1780112), (16, 1112570), (20, 890056), (32, 556285), (40, 445028), (71, 250720), (80, 222514), (142, 125360), (160, 111257), (284, 62680), (355, 50144), (568, 31340), (710, 25072), (1136, 15670), (1420, 12536), (1567, 11360), (2272, 7835), (2840, 6268), (3134, 5680)]