8290640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3343}}^1$

素因数の和:3387

約数の個数: 40

約数和(自身を含む): 19903488

約数和(自身を除く): 11612848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 3343, 6686, 13372, 16715, 26744, 33430, 53488, 66860, 103633, 133720, 207266, 267440, 414532, 518165, 829064, 1036330, 1658128, 2072660, 4145320, 8290640]

約数ペア:

[(1, 8290640), (2, 4145320), (4, 2072660), (5, 1658128), (8, 1036330), (10, 829064), (16, 518165), (20, 414532), (31, 267440), (40, 207266), (62, 133720), (80, 103633), (124, 66860), (155, 53488), (248, 33430), (310, 26744), (496, 16715), (620, 13372), (1240, 6686), (2480, 3343)]