66861250

素因数分解:

$2^1\times 5^4\times {\mathrm{89}}^1\times {\mathrm{601}}^1$

素因数の和:712

約数の個数: 40

約数和(自身を含む): 126943740

約数和(自身を除く): 60082490

約数列:

[1, 2, 5, 10, 25, 50, 89, 125, 178, 250, 445, 601, 625, 890, 1202, 1250, 2225, 3005, 4450, 6010, 11125, 15025, 22250, 30050, 53489, 55625, 75125, 106978, 111250, 150250, 267445, 375625, 534890, 751250, 1337225, 2674450, 6686125, 13372250, 33430625, 66861250]

約数ペア:

[(1, 66861250), (2, 33430625), (5, 13372250), (10, 6686125), (25, 2674450), (50, 1337225), (89, 751250), (125, 534890), (178, 375625), (250, 267445), (445, 150250), (601, 111250), (625, 106978), (890, 75125), (1202, 55625), (1250, 53489), (2225, 30050), (3005, 22250), (4450, 15025), (6010, 11125)]