91821040

素因数分解:

$2^4\times 5^1\times {\mathrm{521}}^1\times {\mathrm{2203}}^1$

素因数の和:2737

約数の個数: 40

約数和(自身を含む): 213990768

約数和(自身を除く): 122169728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 521, 1042, 2084, 2203, 2605, 4168, 4406, 5210, 8336, 8812, 10420, 11015, 17624, 20840, 22030, 35248, 41680, 44060, 88120, 176240, 1147763, 2295526, 4591052, 5738815, 9182104, 11477630, 18364208, 22955260, 45910520, 91821040]

約数ペア:

[(1, 91821040), (2, 45910520), (4, 22955260), (5, 18364208), (8, 11477630), (10, 9182104), (16, 5738815), (20, 4591052), (40, 2295526), (80, 1147763), (521, 176240), (1042, 88120), (2084, 44060), (2203, 41680), (2605, 35248), (4168, 22030), (4406, 20840), (5210, 17624), (8336, 11015), (8812, 10420)]