8513920

素因数分解:

$2^7\times 5^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1$

素因数の和:323

約数の個数: 64

約数和(自身を含む): 20820240

約数和(自身を除く): 12306320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 251, 265, 320, 424, 502, 530, 640, 848, 1004, 1060, 1255, 1696, 2008, 2120, 2510, 3392, 4016, 4240, 5020, 6784, 8032, 8480, 10040, 13303, 16064, 16960, 20080, 26606, 32128, 33920, 40160, 53212, 66515, 80320, 106424, 133030, 160640, 212848, 266060, 425696, 532120, 851392, 1064240, 1702784, 2128480, 4256960, 8513920]

約数ペア:

[(1, 8513920), (2, 4256960), (4, 2128480), (5, 1702784), (8, 1064240), (10, 851392), (16, 532120), (20, 425696), (32, 266060), (40, 212848), (53, 160640), (64, 133030), (80, 106424), (106, 80320), (128, 66515), (160, 53212), (212, 40160), (251, 33920), (265, 32128), (320, 26606), (424, 20080), (502, 16960), (530, 16064), (640, 13303), (848, 10040), (1004, 8480), (1060, 8032), (1255, 6784), (1696, 5020), (2008, 4240), (2120, 4016), (2510, 3392)]