49870120

素因数分解:

$2^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{2393}}^1$

素因数の和:2925

約数の個数: 32

約数和(自身を含む): 112470120

約数和(自身を除く): 62600000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 521, 1042, 2084, 2393, 2605, 4168, 4786, 5210, 9572, 10420, 11965, 19144, 20840, 23930, 47860, 95720, 1246753, 2493506, 4987012, 6233765, 9974024, 12467530, 24935060, 49870120]

約数ペア:

[(1, 49870120), (2, 24935060), (4, 12467530), (5, 9974024), (8, 6233765), (10, 4987012), (20, 2493506), (40, 1246753), (521, 95720), (1042, 47860), (2084, 23930), (2393, 20840), (2605, 19144), (4168, 11965), (4786, 10420), (5210, 9572)]