51796780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{883}}^1$

素因数の和:1318

約数の個数: 48

約数和(自身を含む): 124750080

約数和(自身を除く): 72953300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 419, 838, 883, 1676, 1766, 2095, 2933, 3532, 4190, 4415, 5866, 6181, 8380, 8830, 11732, 12362, 14665, 17660, 24724, 29330, 30905, 58660, 61810, 123620, 369977, 739954, 1479908, 1849885, 2589839, 3699770, 5179678, 7399540, 10359356, 12949195, 25898390, 51796780]

約数ペア:

[(1, 51796780), (2, 25898390), (4, 12949195), (5, 10359356), (7, 7399540), (10, 5179678), (14, 3699770), (20, 2589839), (28, 1849885), (35, 1479908), (70, 739954), (140, 369977), (419, 123620), (838, 61810), (883, 58660), (1676, 30905), (1766, 29330), (2095, 24724), (2933, 17660), (3532, 14665), (4190, 12362), (4415, 11732), (5866, 8830), (6181, 8380)]