28758320

素因数分解:

$2^4\times 5^1\times {\mathrm{359479}}^1$

素因数の和:359492

約数の個数: 20

約数和(自身を含む): 66863280

約数和(自身を除く): 38104960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 359479, 718958, 1437916, 1797395, 2875832, 3594790, 5751664, 7189580, 14379160, 28758320]

約数ペア:

[(1, 28758320), (2, 14379160), (4, 7189580), (5, 5751664), (8, 3594790), (10, 2875832), (16, 1797395), (20, 1437916), (40, 718958), (80, 359479)]