47787890

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1\times {\mathrm{251}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 87816960

約数和(自身を除く): 40029070

約数列:

[1, 2, 5, 10, 79, 158, 241, 251, 395, 482, 502, 790, 1205, 1255, 2410, 2510, 19039, 19829, 38078, 39658, 60491, 95195, 99145, 120982, 190390, 198290, 302455, 604910, 4778789, 9557578, 23893945, 47787890]

約数ペア:

[(1, 47787890), (2, 23893945), (5, 9557578), (10, 4778789), (79, 604910), (158, 302455), (241, 198290), (251, 190390), (395, 120982), (482, 99145), (502, 95195), (790, 60491), (1205, 39658), (1255, 38078), (2410, 19829), (2510, 19039)]