81706250

素因数分解:

$2^1\times 5^5\times {\mathrm{17}}^1\times {\mathrm{769}}^1$

素因数の和:813

約数の個数: 48

約数和(自身を含む): 162411480

約数和(自身を除く): 80705230

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 170, 250, 425, 625, 769, 850, 1250, 1538, 2125, 3125, 3845, 4250, 6250, 7690, 10625, 13073, 19225, 21250, 26146, 38450, 53125, 65365, 96125, 106250, 130730, 192250, 326825, 480625, 653650, 961250, 1634125, 2403125, 3268250, 4806250, 8170625, 16341250, 40853125, 81706250]

約数ペア:

[(1, 81706250), (2, 40853125), (5, 16341250), (10, 8170625), (17, 4806250), (25, 3268250), (34, 2403125), (50, 1634125), (85, 961250), (125, 653650), (170, 480625), (250, 326825), (425, 192250), (625, 130730), (769, 106250), (850, 96125), (1250, 65365), (1538, 53125), (2125, 38450), (3125, 26146), (3845, 21250), (4250, 19225), (6250, 13073), (7690, 10625)]