30486760

素因数分解:

$2^3\times 5^1\times {\mathrm{379}}^1\times {\mathrm{2011}}^1$

素因数の和:2401

約数の個数: 32

約数和(自身を含む): 68810400

約数和(自身を除く): 38323640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 379, 758, 1516, 1895, 2011, 3032, 3790, 4022, 7580, 8044, 10055, 15160, 16088, 20110, 40220, 80440, 762169, 1524338, 3048676, 3810845, 6097352, 7621690, 15243380, 30486760]

約数ペア:

[(1, 30486760), (2, 15243380), (4, 7621690), (5, 6097352), (8, 3810845), (10, 3048676), (20, 1524338), (40, 762169), (379, 80440), (758, 40220), (1516, 20110), (1895, 16088), (2011, 15160), (3032, 10055), (3790, 8044), (4022, 7580)]