8121250

素因数分解:

$2^1\times 5^4\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:184

約数の個数: 40

約数和(自身を含む): 15604380

約数和(自身を除く): 7483130

約数列:

[1, 2, 5, 10, 25, 50, 73, 89, 125, 146, 178, 250, 365, 445, 625, 730, 890, 1250, 1825, 2225, 3650, 4450, 6497, 9125, 11125, 12994, 18250, 22250, 32485, 45625, 55625, 64970, 91250, 111250, 162425, 324850, 812125, 1624250, 4060625, 8121250]

約数ペア:

[(1, 8121250), (2, 4060625), (5, 1624250), (10, 812125), (25, 324850), (50, 162425), (73, 111250), (89, 91250), (125, 64970), (146, 55625), (178, 45625), (250, 32485), (365, 22250), (445, 18250), (625, 12994), (730, 11125), (890, 9125), (1250, 6497), (1825, 4450), (2225, 3650)]