25170640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28603}}^1$

素因数の和:28627

約数の個数: 40

約数和(自身を含む): 63844128

約数和(自身を除く): 38673488

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 28603, 57206, 114412, 143015, 228824, 286030, 314633, 457648, 572060, 629266, 1144120, 1258532, 1573165, 2288240, 2517064, 3146330, 5034128, 6292660, 12585320, 25170640]

約数ペア:

[(1, 25170640), (2, 12585320), (4, 6292660), (5, 5034128), (8, 3146330), (10, 2517064), (11, 2288240), (16, 1573165), (20, 1258532), (22, 1144120), (40, 629266), (44, 572060), (55, 457648), (80, 314633), (88, 286030), (110, 228824), (176, 143015), (220, 114412), (440, 57206), (880, 28603)]