40065280

素因数分解:

$2^8\times 5^1\times {\mathrm{113}}^1\times {\mathrm{277}}^1$

素因数の和:411

約数の個数: 72

約数和(自身を含む): 97167672

約数和(自身を除く): 57102392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 113, 128, 160, 226, 256, 277, 320, 452, 554, 565, 640, 904, 1108, 1130, 1280, 1385, 1808, 2216, 2260, 2770, 3616, 4432, 4520, 5540, 7232, 8864, 9040, 11080, 14464, 17728, 18080, 22160, 28928, 31301, 35456, 36160, 44320, 62602, 70912, 72320, 88640, 125204, 144640, 156505, 177280, 250408, 313010, 354560, 500816, 626020, 1001632, 1252040, 2003264, 2504080, 4006528, 5008160, 8013056, 10016320, 20032640, 40065280]

約数ペア:

[(1, 40065280), (2, 20032640), (4, 10016320), (5, 8013056), (8, 5008160), (10, 4006528), (16, 2504080), (20, 2003264), (32, 1252040), (40, 1001632), (64, 626020), (80, 500816), (113, 354560), (128, 313010), (160, 250408), (226, 177280), (256, 156505), (277, 144640), (320, 125204), (452, 88640), (554, 72320), (565, 70912), (640, 62602), (904, 44320), (1108, 36160), (1130, 35456), (1280, 31301), (1385, 28928), (1808, 22160), (2216, 18080), (2260, 17728), (2770, 14464), (3616, 11080), (4432, 9040), (4520, 8864), (5540, 7232)]