12771250

素因数分解:

$2^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{601}}^1$

素因数の和:640

約数の個数: 40

約数和(自身を含む): 25388748

約数和(自身を除く): 12617498

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 170, 250, 425, 601, 625, 850, 1202, 1250, 2125, 3005, 4250, 6010, 10217, 10625, 15025, 20434, 21250, 30050, 51085, 75125, 102170, 150250, 255425, 375625, 510850, 751250, 1277125, 2554250, 6385625, 12771250]

約数ペア:

[(1, 12771250), (2, 6385625), (5, 2554250), (10, 1277125), (17, 751250), (25, 510850), (34, 375625), (50, 255425), (85, 150250), (125, 102170), (170, 75125), (250, 51085), (425, 30050), (601, 21250), (625, 20434), (850, 15025), (1202, 10625), (1250, 10217), (2125, 6010), (3005, 4250)]