4387960

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{673}}^1$

素因数の和:847

約数の個数: 32

約数和(自身を含む): 9948240

約数和(自身を除く): 5560280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 673, 815, 1304, 1346, 1630, 2692, 3260, 3365, 5384, 6520, 6730, 13460, 26920, 109699, 219398, 438796, 548495, 877592, 1096990, 2193980, 4387960]

約数ペア:

[(1, 4387960), (2, 2193980), (4, 1096990), (5, 877592), (8, 548495), (10, 438796), (20, 219398), (40, 109699), (163, 26920), (326, 13460), (652, 6730), (673, 6520), (815, 5384), (1304, 3365), (1346, 3260), (1630, 2692)]