8547320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 20355840

約数和(自身を除く): 11808520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 61, 62, 113, 122, 124, 155, 226, 244, 248, 305, 310, 452, 488, 565, 610, 620, 904, 1130, 1220, 1240, 1891, 2260, 2440, 3503, 3782, 4520, 6893, 7006, 7564, 9455, 13786, 14012, 15128, 17515, 18910, 27572, 28024, 34465, 35030, 37820, 55144, 68930, 70060, 75640, 137860, 140120, 213683, 275720, 427366, 854732, 1068415, 1709464, 2136830, 4273660, 8547320]

約数ペア:

[(1, 8547320), (2, 4273660), (4, 2136830), (5, 1709464), (8, 1068415), (10, 854732), (20, 427366), (31, 275720), (40, 213683), (61, 140120), (62, 137860), (113, 75640), (122, 70060), (124, 68930), (155, 55144), (226, 37820), (244, 35030), (248, 34465), (305, 28024), (310, 27572), (452, 18910), (488, 17515), (565, 15128), (610, 14012), (620, 13786), (904, 9455), (1130, 7564), (1220, 7006), (1240, 6893), (1891, 4520), (2260, 3782), (2440, 3503)]