25805220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61441}}^1$

素因数の和:61460

約数の個数: 48

約数和(自身を含む): 82578048

約数和(自身を除く): 56772828

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 61441, 122882, 184323, 245764, 307205, 368646, 430087, 614410, 737292, 860174, 921615, 1228820, 1290261, 1720348, 1843230, 2150435, 2580522, 3686460, 4300870, 5161044, 6451305, 8601740, 12902610, 25805220]

約数ペア:

[(1, 25805220), (2, 12902610), (3, 8601740), (4, 6451305), (5, 5161044), (6, 4300870), (7, 3686460), (10, 2580522), (12, 2150435), (14, 1843230), (15, 1720348), (20, 1290261), (21, 1228820), (28, 921615), (30, 860174), (35, 737292), (42, 614410), (60, 430087), (70, 368646), (84, 307205), (105, 245764), (140, 184323), (210, 122882), (420, 61441)]