12756250

素因数分解:

$2^1\times 5^5\times {\mathrm{13}}^1\times {\mathrm{157}}^1$

素因数の和:197

約数の個数: 48

約数和(自身を含む): 25920216

約数和(自身を除く): 13163966

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 157, 250, 314, 325, 625, 650, 785, 1250, 1570, 1625, 2041, 3125, 3250, 3925, 4082, 6250, 7850, 8125, 10205, 16250, 19625, 20410, 39250, 40625, 51025, 81250, 98125, 102050, 196250, 255125, 490625, 510250, 981250, 1275625, 2551250, 6378125, 12756250]

約数ペア:

[(1, 12756250), (2, 6378125), (5, 2551250), (10, 1275625), (13, 981250), (25, 510250), (26, 490625), (50, 255125), (65, 196250), (125, 102050), (130, 98125), (157, 81250), (250, 51025), (314, 40625), (325, 39250), (625, 20410), (650, 19625), (785, 16250), (1250, 10205), (1570, 8125), (1625, 7850), (2041, 6250), (3125, 4082), (3250, 3925)]