662320

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{487}}^1$

素因数の和:517

約数の個数: 40

約数和(自身を含む): 1633824

約数和(自身を除く): 971504

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 487, 680, 974, 1360, 1948, 2435, 3896, 4870, 7792, 8279, 9740, 16558, 19480, 33116, 38960, 41395, 66232, 82790, 132464, 165580, 331160, 662320]

約数ペア:

[(1, 662320), (2, 331160), (4, 165580), (5, 132464), (8, 82790), (10, 66232), (16, 41395), (17, 38960), (20, 33116), (34, 19480), (40, 16558), (68, 9740), (80, 8279), (85, 7792), (136, 4870), (170, 3896), (272, 2435), (340, 1948), (487, 1360), (680, 974)]