25783420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{757}}^1$

素因数の和:910

約数の個数: 48

約数和(自身を含む): 58832928

約数和(自身を除く): 33049508

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 260, 262, 524, 655, 757, 1310, 1514, 1703, 2620, 3028, 3406, 3785, 6812, 7570, 8515, 9841, 15140, 17030, 19682, 34060, 39364, 49205, 98410, 99167, 196820, 198334, 396668, 495835, 991670, 1289171, 1983340, 2578342, 5156684, 6445855, 12891710, 25783420]

約数ペア:

[(1, 25783420), (2, 12891710), (4, 6445855), (5, 5156684), (10, 2578342), (13, 1983340), (20, 1289171), (26, 991670), (52, 495835), (65, 396668), (130, 198334), (131, 196820), (260, 99167), (262, 98410), (524, 49205), (655, 39364), (757, 34060), (1310, 19682), (1514, 17030), (1703, 15140), (2620, 9841), (3028, 8515), (3406, 7570), (3785, 6812)]