550178920

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{121721}}^1$

素因数の和:121845

約数の個数: 32

約数和(自身を含む): 1248867720

約数和(自身を除く): 698688800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 121721, 243442, 486884, 608605, 973768, 1217210, 2434420, 4868840, 13754473, 27508946, 55017892, 68772365, 110035784, 137544730, 275089460, 550178920]

約数ペア:

[(1, 550178920), (2, 275089460), (4, 137544730), (5, 110035784), (8, 68772365), (10, 55017892), (20, 27508946), (40, 13754473), (113, 4868840), (226, 2434420), (452, 1217210), (565, 973768), (904, 608605), (1130, 486884), (2260, 243442), (4520, 121721)]