51204020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{52249}}^1$

素因数の和:52272

約数の個数: 36

約数和(自身を含む): 125086500

約数和(自身を除く): 73882480

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 52249, 104498, 208996, 261245, 365743, 522490, 731486, 1044980, 1462972, 1828715, 2560201, 3657430, 5120402, 7314860, 10240804, 12801005, 25602010, 51204020]

約数ペア:

[(1, 51204020), (2, 25602010), (4, 12801005), (5, 10240804), (7, 7314860), (10, 5120402), (14, 3657430), (20, 2560201), (28, 1828715), (35, 1462972), (49, 1044980), (70, 731486), (98, 522490), (140, 365743), (196, 261245), (245, 208996), (490, 104498), (980, 52249)]