81012700

素因数分解:

$2^2\times 5^2\times {\mathrm{523}}^1\times {\mathrm{1549}}^1$

素因数の和:2086

約数の個数: 36

約数和(自身を含む): 176247400

約数和(自身を除く): 95234700

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 523, 1046, 1549, 2092, 2615, 3098, 5230, 6196, 7745, 10460, 13075, 15490, 26150, 30980, 38725, 52300, 77450, 154900, 810127, 1620254, 3240508, 4050635, 8101270, 16202540, 20253175, 40506350, 81012700]

約数ペア:

[(1, 81012700), (2, 40506350), (4, 20253175), (5, 16202540), (10, 8101270), (20, 4050635), (25, 3240508), (50, 1620254), (100, 810127), (523, 154900), (1046, 77450), (1549, 52300), (2092, 38725), (2615, 30980), (3098, 26150), (5230, 15490), (6196, 13075), (7745, 10460)]