91273640

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{9091}}^1$

素因数の和:9353

約数の個数: 32

約数和(自身を含む): 206206560

約数和(自身を除く): 114932920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 5020, 9091, 10040, 18182, 36364, 45455, 72728, 90910, 181820, 363640, 2281841, 4563682, 9127364, 11409205, 18254728, 22818410, 45636820, 91273640]

約数ペア:

[(1, 91273640), (2, 45636820), (4, 22818410), (5, 18254728), (8, 11409205), (10, 9127364), (20, 4563682), (40, 2281841), (251, 363640), (502, 181820), (1004, 90910), (1255, 72728), (2008, 45455), (2510, 36364), (5020, 18182), (9091, 10040)]