25164760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1609}}^1$

素因数の和:1660

約数の個数: 64

約数和(自身を含む): 62596800

約数和(自身を除く): 37432040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 92, 115, 136, 170, 184, 230, 340, 391, 460, 680, 782, 920, 1564, 1609, 1955, 3128, 3218, 3910, 6436, 7820, 8045, 12872, 15640, 16090, 27353, 32180, 37007, 54706, 64360, 74014, 109412, 136765, 148028, 185035, 218824, 273530, 296056, 370070, 547060, 629119, 740140, 1094120, 1258238, 1480280, 2516476, 3145595, 5032952, 6291190, 12582380, 25164760]

約数ペア:

[(1, 25164760), (2, 12582380), (4, 6291190), (5, 5032952), (8, 3145595), (10, 2516476), (17, 1480280), (20, 1258238), (23, 1094120), (34, 740140), (40, 629119), (46, 547060), (68, 370070), (85, 296056), (92, 273530), (115, 218824), (136, 185035), (170, 148028), (184, 136765), (230, 109412), (340, 74014), (391, 64360), (460, 54706), (680, 37007), (782, 32180), (920, 27353), (1564, 16090), (1609, 15640), (1955, 12872), (3128, 8045), (3218, 7820), (3910, 6436)]