79855780

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{6229}}^1$

素因数の和:6879

約数の個数: 24

約数和(自身を含む): 167985720

約数和(自身を除く): 88129940

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3205, 6229, 6410, 12458, 12820, 24916, 31145, 62290, 124580, 3992789, 7985578, 15971156, 19963945, 39927890, 79855780]

約数ペア:

[(1, 79855780), (2, 39927890), (4, 19963945), (5, 15971156), (10, 7985578), (20, 3992789), (641, 124580), (1282, 62290), (2564, 31145), (3205, 24916), (6229, 12820), (6410, 12458)]