156970319680

素因数分解:

$2^6\times 5^1\times {\mathrm{490532249}}^1$

素因数の和:490532266

約数の個数: 28

約数和(自身を含む): 373785574500

約数和(自身を除く): 216815254820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 490532249, 981064498, 1962128996, 2452661245, 3924257992, 4905322490, 7848515984, 9810644980, 15697031968, 19621289960, 31394063936, 39242579920, 78485159840, 156970319680]

約数ペア:

[(1, 156970319680), (2, 78485159840), (4, 39242579920), (5, 31394063936), (8, 19621289960), (10, 15697031968), (16, 9810644980), (20, 7848515984), (32, 4905322490), (40, 3924257992), (64, 2452661245), (80, 1962128996), (160, 981064498), (320, 490532249)]