51839480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16831}}^1$

素因数の和:16860

約数の個数: 64

約数和(自身を含む): 145428480

約数和(自身を除く): 93589000

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 16831, 33662, 67324, 84155, 117817, 134648, 168310, 185141, 235634, 336620, 370282, 471268, 589085, 673240, 740564, 925705, 942536, 1178170, 1295987, 1481128, 1851410, 2356340, 2591974, 3702820, 4712680, 5183948, 6479935, 7405640, 10367896, 12959870, 25919740, 51839480]

約数ペア:

[(1, 51839480), (2, 25919740), (4, 12959870), (5, 10367896), (7, 7405640), (8, 6479935), (10, 5183948), (11, 4712680), (14, 3702820), (20, 2591974), (22, 2356340), (28, 1851410), (35, 1481128), (40, 1295987), (44, 1178170), (55, 942536), (56, 925705), (70, 740564), (77, 673240), (88, 589085), (110, 471268), (140, 370282), (154, 336620), (220, 235634), (280, 185141), (308, 168310), (385, 134648), (440, 117817), (616, 84155), (770, 67324), (1540, 33662), (3080, 16831)]