4383980

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2011}}^1$

素因数の和:2129

約数の個数: 24

約数和(自身を含む): 9295440

約数和(自身を除く): 4911460

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2011, 2180, 4022, 8044, 10055, 20110, 40220, 219199, 438398, 876796, 1095995, 2191990, 4383980]

約数ペア:

[(1, 4383980), (2, 2191990), (4, 1095995), (5, 876796), (10, 438398), (20, 219199), (109, 40220), (218, 20110), (436, 10055), (545, 8044), (1090, 4022), (2011, 2180)]