12646000

素因数分解:

$2^4\times 5^3\times {\mathrm{6323}}^1$

素因数の和:6346

約数の個数: 40

約数和(自身を含む): 30582864

約数和(自身を除く): 17936864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 6323, 12646, 25292, 31615, 50584, 63230, 101168, 126460, 158075, 252920, 316150, 505840, 632300, 790375, 1264600, 1580750, 2529200, 3161500, 6323000, 12646000]

約数ペア:

[(1, 12646000), (2, 6323000), (4, 3161500), (5, 2529200), (8, 1580750), (10, 1264600), (16, 790375), (20, 632300), (25, 505840), (40, 316150), (50, 252920), (80, 158075), (100, 126460), (125, 101168), (200, 63230), (250, 50584), (400, 31615), (500, 25292), (1000, 12646), (2000, 6323)]