12784600

素因数分解:

$2^3\times 5^2\times {\mathrm{97}}^1\times {\mathrm{659}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 30076200

約数和(自身を除く): 17291600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 194, 200, 388, 485, 659, 776, 970, 1318, 1940, 2425, 2636, 3295, 3880, 4850, 5272, 6590, 9700, 13180, 16475, 19400, 26360, 32950, 63923, 65900, 127846, 131800, 255692, 319615, 511384, 639230, 1278460, 1598075, 2556920, 3196150, 6392300, 12784600]

約数ペア:

[(1, 12784600), (2, 6392300), (4, 3196150), (5, 2556920), (8, 1598075), (10, 1278460), (20, 639230), (25, 511384), (40, 319615), (50, 255692), (97, 131800), (100, 127846), (194, 65900), (200, 63923), (388, 32950), (485, 26360), (659, 19400), (776, 16475), (970, 13180), (1318, 9700), (1940, 6590), (2425, 5272), (2636, 4850), (3295, 3880)]