2131120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1567}}^1$

素因数の和:1597

約数の個数: 40

約数和(自身を含む): 5249664

約数和(自身を除く): 3118544

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 1567, 3134, 6268, 7835, 12536, 15670, 25072, 26639, 31340, 53278, 62680, 106556, 125360, 133195, 213112, 266390, 426224, 532780, 1065560, 2131120]

約数ペア:

[(1, 2131120), (2, 1065560), (4, 532780), (5, 426224), (8, 266390), (10, 213112), (16, 133195), (17, 125360), (20, 106556), (34, 62680), (40, 53278), (68, 31340), (80, 26639), (85, 25072), (136, 15670), (170, 12536), (272, 7835), (340, 6268), (680, 3134), (1360, 1567)]