28417240

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{6287}}^1$

素因数の和:6411

約数の個数: 32

約数和(自身を含む): 64514880

約数和(自身を除く): 36097640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 6287, 12574, 25148, 31435, 50296, 62870, 125740, 251480, 710431, 1420862, 2841724, 3552155, 5683448, 7104310, 14208620, 28417240]

約数ペア:

[(1, 28417240), (2, 14208620), (4, 7104310), (5, 5683448), (8, 3552155), (10, 2841724), (20, 1420862), (40, 710431), (113, 251480), (226, 125740), (452, 62870), (565, 50296), (904, 31435), (1130, 25148), (2260, 12574), (4520, 6287)]