78125240

素因数分解:

$2^3\times 5^1\times {\mathrm{1223}}^1\times {\mathrm{1597}}^1$

素因数の和:2831

約数の個数: 32

約数和(自身を含む): 176035680

約数和(自身を除く): 97910440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1223, 1597, 2446, 3194, 4892, 6115, 6388, 7985, 9784, 12230, 12776, 15970, 24460, 31940, 48920, 63880, 1953131, 3906262, 7812524, 9765655, 15625048, 19531310, 39062620, 78125240]

約数ペア:

[(1, 78125240), (2, 39062620), (4, 19531310), (5, 15625048), (8, 9765655), (10, 7812524), (20, 3906262), (40, 1953131), (1223, 63880), (1597, 48920), (2446, 31940), (3194, 24460), (4892, 15970), (6115, 12776), (6388, 12230), (7985, 9784)]