462920

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 1062720

約数和(自身を除く): 599800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 163, 284, 326, 355, 568, 652, 710, 815, 1304, 1420, 1630, 2840, 3260, 6520, 11573, 23146, 46292, 57865, 92584, 115730, 231460, 462920]

約数ペア:

[(1, 462920), (2, 231460), (4, 115730), (5, 92584), (8, 57865), (10, 46292), (20, 23146), (40, 11573), (71, 6520), (142, 3260), (163, 2840), (284, 1630), (326, 1420), (355, 1304), (568, 815), (652, 710)]