8644040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6971}}^1$

素因数の和:7013

約数の個数: 32

約数和(自身を含む): 20079360

約数和(自身を除く): 11435320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 6971, 13942, 27884, 34855, 55768, 69710, 139420, 216101, 278840, 432202, 864404, 1080505, 1728808, 2161010, 4322020, 8644040]

約数ペア:

[(1, 8644040), (2, 4322020), (4, 2161010), (5, 1728808), (8, 1080505), (10, 864404), (20, 432202), (31, 278840), (40, 216101), (62, 139420), (124, 69710), (155, 55768), (248, 34855), (310, 27884), (620, 13942), (1240, 6971)]