13073800

素因数分解:

$2^3\times 5^2\times {\mathrm{131}}^1\times {\mathrm{499}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 30690000

約数和(自身を除く): 17616200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 131, 200, 262, 499, 524, 655, 998, 1048, 1310, 1996, 2495, 2620, 3275, 3992, 4990, 5240, 6550, 9980, 12475, 13100, 19960, 24950, 26200, 49900, 65369, 99800, 130738, 261476, 326845, 522952, 653690, 1307380, 1634225, 2614760, 3268450, 6536900, 13073800]

約数ペア:

[(1, 13073800), (2, 6536900), (4, 3268450), (5, 2614760), (8, 1634225), (10, 1307380), (20, 653690), (25, 522952), (40, 326845), (50, 261476), (100, 130738), (131, 99800), (200, 65369), (262, 49900), (499, 26200), (524, 24950), (655, 19960), (998, 13100), (1048, 12475), (1310, 9980), (1996, 6550), (2495, 5240), (2620, 4990), (3275, 3992)]