63984920

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{6373}}^1$

素因数の和:6635

約数の個数: 32

約数和(自身を含む): 144562320

約数和(自身を除く): 80577400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 5020, 6373, 10040, 12746, 25492, 31865, 50984, 63730, 127460, 254920, 1599623, 3199246, 6398492, 7998115, 12796984, 15996230, 31992460, 63984920]

約数ペア:

[(1, 63984920), (2, 31992460), (4, 15996230), (5, 12796984), (8, 7998115), (10, 6398492), (20, 3199246), (40, 1599623), (251, 254920), (502, 127460), (1004, 63730), (1255, 50984), (2008, 31865), (2510, 25492), (5020, 12746), (6373, 10040)]