15697380880

素因数分解:

$2^4\times 5^1\times {\mathrm{196217261}}^1$

素因数の和:196217274

約数の個数: 20

約数和(自身を含む): 36496410732

約数和(自身を除く): 20799029852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 196217261, 392434522, 784869044, 981086305, 1569738088, 1962172610, 3139476176, 3924345220, 7848690440, 15697380880]

約数ペア:

[(1, 15697380880), (2, 7848690440), (4, 3924345220), (5, 3139476176), (8, 1962172610), (10, 1569738088), (16, 981086305), (20, 784869044), (40, 392434522), (80, 196217261)]