18104200

素因数分解:

$2^3\times 5^2\times {\mathrm{131}}^1\times {\mathrm{691}}^1$

素因数の和:838

約数の個数: 48

約数和(自身を含む): 42474960

約数和(自身を除く): 24370760

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 131, 200, 262, 524, 655, 691, 1048, 1310, 1382, 2620, 2764, 3275, 3455, 5240, 5528, 6550, 6910, 13100, 13820, 17275, 26200, 27640, 34550, 69100, 90521, 138200, 181042, 362084, 452605, 724168, 905210, 1810420, 2263025, 3620840, 4526050, 9052100, 18104200]

約数ペア:

[(1, 18104200), (2, 9052100), (4, 4526050), (5, 3620840), (8, 2263025), (10, 1810420), (20, 905210), (25, 724168), (40, 452605), (50, 362084), (100, 181042), (131, 138200), (200, 90521), (262, 69100), (524, 34550), (655, 27640), (691, 26200), (1048, 17275), (1310, 13820), (1382, 13100), (2620, 6910), (2764, 6550), (3275, 5528), (3455, 5240)]