89210875

素因数分解:

$5^3\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:185

約数の個数: 48

約数和(自身を含む): 124697664

約数和(自身を除く): 35486789

約数列:

[1, 5, 13, 25, 41, 65, 103, 125, 169, 205, 325, 515, 533, 845, 1025, 1339, 1625, 2575, 2665, 4223, 4225, 5125, 6695, 6929, 12875, 13325, 17407, 21115, 21125, 33475, 34645, 54899, 66625, 87035, 105575, 167375, 173225, 274495, 435175, 527875, 713687, 866125, 1372475, 2175875, 3568435, 6862375, 17842175, 89210875]

約数ペア:

[(1, 89210875), (5, 17842175), (13, 6862375), (25, 3568435), (41, 2175875), (65, 1372475), (103, 866125), (125, 713687), (169, 527875), (205, 435175), (325, 274495), (515, 173225), (533, 167375), (845, 105575), (1025, 87035), (1339, 66625), (1625, 54899), (2575, 34645), (2665, 33475), (4223, 21125), (4225, 21115), (5125, 17407), (6695, 13325), (6929, 12875)]