12942200

素因数分解:

$2^3\times 5^2\times {\mathrm{163}}^1\times {\mathrm{397}}^1$

素因数の和:576

約数の個数: 48

約数和(自身を含む): 30351480

約数和(自身を除く): 17409280

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 163, 200, 326, 397, 652, 794, 815, 1304, 1588, 1630, 1985, 3176, 3260, 3970, 4075, 6520, 7940, 8150, 9925, 15880, 16300, 19850, 32600, 39700, 64711, 79400, 129422, 258844, 323555, 517688, 647110, 1294220, 1617775, 2588440, 3235550, 6471100, 12942200]

約数ペア:

[(1, 12942200), (2, 6471100), (4, 3235550), (5, 2588440), (8, 1617775), (10, 1294220), (20, 647110), (25, 517688), (40, 323555), (50, 258844), (100, 129422), (163, 79400), (200, 64711), (326, 39700), (397, 32600), (652, 19850), (794, 16300), (815, 15880), (1304, 9925), (1588, 8150), (1630, 7940), (1985, 6520), (3176, 4075), (3260, 3970)]