85648221.000000000

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{19583}}^1$

素因数の和:19610

約数の個数: 72

約数和(自身を含む): 305980416

約数和(自身を除く): 196315616

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 140, 160, 175, 200, 224, 280, 350, 400, 560, 700, 800, 1120, 1400, 2800, 5600, 19583, 39166, 78332, 97915, 137081, 156664, 195830, 274162, 313328, 391660, 489575, 548324, 626656, 685405, 783320, 979150, 1096648, 1370810, 1566640, 1958300, 2193296, 2741620, 3133280, 3427025, 3916600, 4386592, 5483240, 6854050, 7833200, 10966480, 13708100, 15666400, 21932960, 27416200, 54832400, 109664800]

約数ペア:

[(1, 109664800), (2, 54832400), (4, 27416200), (5, 21932960), (7, 15666400), (8, 13708100), (10, 10966480), (14, 7833200), (16, 6854050), (20, 5483240), (25, 4386592), (28, 3916600), (32, 3427025), (35, 3133280), (40, 2741620), (50, 2193296), (56, 1958300), (70, 1566640), (80, 1370810), (100, 1096648), (112, 979150), (140, 783320), (160, 685405), (175, 626656), (200, 548324), (224, 489575), (280, 391660), (350, 313328), (400, 274162), (560, 195830), (700, 156664), (800, 137081), (1120, 97915), (1400, 78332), (2800, 39166), (5600, 19583)]