81566200

素因数分解:

$2^3\times 5^2\times {\mathrm{439}}^1\times {\mathrm{929}}^1$

素因数の和:1384

約数の個数: 48

約数和(自身を含む): 190278000

約数和(自身を除く): 108711800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 439, 878, 929, 1756, 1858, 2195, 3512, 3716, 4390, 4645, 7432, 8780, 9290, 10975, 17560, 18580, 21950, 23225, 37160, 43900, 46450, 87800, 92900, 185800, 407831, 815662, 1631324, 2039155, 3262648, 4078310, 8156620, 10195775, 16313240, 20391550, 40783100, 81566200]

約数ペア:

[(1, 81566200), (2, 40783100), (4, 20391550), (5, 16313240), (8, 10195775), (10, 8156620), (20, 4078310), (25, 3262648), (40, 2039155), (50, 1631324), (100, 815662), (200, 407831), (439, 185800), (878, 92900), (929, 87800), (1756, 46450), (1858, 43900), (2195, 37160), (3512, 23225), (3716, 21950), (4390, 18580), (4645, 17560), (7432, 10975), (8780, 9290)]