77801473840

素因数分解:

$2^4\times 5^1\times {\mathrm{972518423}}^1$

素因数の和:972518436

約数の個数: 20

約数和(自身を含む): 180888426864

約数和(自身を除く): 103086953024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 972518423, 1945036846, 3890073692, 4862592115, 7780147384, 9725184230, 15560294768, 19450368460, 38900736920, 77801473840]

約数ペア:

[(1, 77801473840), (2, 38900736920), (4, 19450368460), (5, 15560294768), (8, 9725184230), (10, 7780147384), (16, 4862592115), (20, 3890073692), (40, 1945036846), (80, 972518423)]