3738920

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{443}}^1$

素因数の和:665

約数の個数: 32

約数和(自身を含む): 8471520

約数和(自身を除く): 4732600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 443, 844, 886, 1055, 1688, 1772, 2110, 2215, 3544, 4220, 4430, 8440, 8860, 17720, 93473, 186946, 373892, 467365, 747784, 934730, 1869460, 3738920]

約数ペア:

[(1, 3738920), (2, 1869460), (4, 934730), (5, 747784), (8, 467365), (10, 373892), (20, 186946), (40, 93473), (211, 17720), (422, 8860), (443, 8440), (844, 4430), (886, 4220), (1055, 3544), (1688, 2215), (1772, 2110)]