30398320

素因数分解:

$2^4\times 5^1\times {\mathrm{379979}}^1$

素因数の和:379992

約数の個数: 20

約数和(自身を含む): 70676280

約数和(自身を除く): 40277960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 379979, 759958, 1519916, 1899895, 3039832, 3799790, 6079664, 7599580, 15199160, 30398320]

約数ペア:

[(1, 30398320), (2, 15199160), (4, 7599580), (5, 6079664), (8, 3799790), (10, 3039832), (16, 1899895), (20, 1519916), (40, 759958), (80, 379979)]