8820640

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1901}}^1$

素因数の和:1945

約数の個数: 48

約数和(自身を含む): 21568680

約数和(自身を除く): 12748040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 580, 928, 1160, 1901, 2320, 3802, 4640, 7604, 9505, 15208, 19010, 30416, 38020, 55129, 60832, 76040, 110258, 152080, 220516, 275645, 304160, 441032, 551290, 882064, 1102580, 1764128, 2205160, 4410320, 8820640]

約数ペア:

[(1, 8820640), (2, 4410320), (4, 2205160), (5, 1764128), (8, 1102580), (10, 882064), (16, 551290), (20, 441032), (29, 304160), (32, 275645), (40, 220516), (58, 152080), (80, 110258), (116, 76040), (145, 60832), (160, 55129), (232, 38020), (290, 30416), (464, 19010), (580, 15208), (928, 9505), (1160, 7604), (1901, 4640), (2320, 3802)]