25725560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1163}}^1$

素因数の和:1260

約数の個数: 64

約数和(自身を含む): 67046400

約数和(自身を除く): 41320840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 632, 790, 1106, 1163, 1580, 2212, 2326, 2765, 3160, 4424, 4652, 5530, 5815, 8141, 9304, 11060, 11630, 16282, 22120, 23260, 32564, 40705, 46520, 65128, 81410, 91877, 162820, 183754, 325640, 367508, 459385, 643139, 735016, 918770, 1286278, 1837540, 2572556, 3215695, 3675080, 5145112, 6431390, 12862780, 25725560]

約数ペア:

[(1, 25725560), (2, 12862780), (4, 6431390), (5, 5145112), (7, 3675080), (8, 3215695), (10, 2572556), (14, 1837540), (20, 1286278), (28, 918770), (35, 735016), (40, 643139), (56, 459385), (70, 367508), (79, 325640), (140, 183754), (158, 162820), (280, 91877), (316, 81410), (395, 65128), (553, 46520), (632, 40705), (790, 32564), (1106, 23260), (1163, 22120), (1580, 16282), (2212, 11630), (2326, 11060), (2765, 9304), (3160, 8141), (4424, 5815), (4652, 5530)]