15709218320

素因数分解:

$2^4\times 5^1\times {\mathrm{196365229}}^1$

素因数の和:196365242

約数の個数: 20

約数和(自身を含む): 36523932780

約数和(自身を除く): 20814714460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 196365229, 392730458, 785460916, 981826145, 1570921832, 1963652290, 3141843664, 3927304580, 7854609160, 15709218320]

約数ペア:

[(1, 15709218320), (2, 7854609160), (4, 3927304580), (5, 3141843664), (8, 1963652290), (10, 1570921832), (16, 981826145), (20, 785460916), (40, 392730458), (80, 196365229)]