28169080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22717}}^1$

素因数の和:22759

約数の個数: 32

約数和(自身を含む): 65427840

約数和(自身を除く): 37258760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 22717, 45434, 90868, 113585, 181736, 227170, 454340, 704227, 908680, 1408454, 2816908, 3521135, 5633816, 7042270, 14084540, 28169080]

約数ペア:

[(1, 28169080), (2, 14084540), (4, 7042270), (5, 5633816), (8, 3521135), (10, 2816908), (20, 1408454), (31, 908680), (40, 704227), (62, 454340), (124, 227170), (155, 181736), (248, 113585), (310, 90868), (620, 45434), (1240, 22717)]