25940040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{30881}}^1$

素因数の和:30902

約数の個数: 64

約数和(自身を含む): 88940160

約数和(自身を除く): 63000120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 30881, 61762, 92643, 123524, 154405, 185286, 216167, 247048, 308810, 370572, 432334, 463215, 617620, 648501, 741144, 864668, 926430, 1080835, 1235240, 1297002, 1729336, 1852860, 2161670, 2594004, 3242505, 3705720, 4323340, 5188008, 6485010, 8646680, 12970020, 25940040]

約数ペア:

[(1, 25940040), (2, 12970020), (3, 8646680), (4, 6485010), (5, 5188008), (6, 4323340), (7, 3705720), (8, 3242505), (10, 2594004), (12, 2161670), (14, 1852860), (15, 1729336), (20, 1297002), (21, 1235240), (24, 1080835), (28, 926430), (30, 864668), (35, 741144), (40, 648501), (42, 617620), (56, 463215), (60, 432334), (70, 370572), (84, 308810), (105, 247048), (120, 216167), (140, 185286), (168, 154405), (210, 123524), (280, 92643), (420, 61762), (840, 30881)]