51566840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{757}}^1$

素因数の和:912

約数の個数: 64

約数和(自身を含む): 126070560

約数和(自身を除く): 74503720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 131, 260, 262, 520, 524, 655, 757, 1048, 1310, 1514, 1703, 2620, 3028, 3406, 3785, 5240, 6056, 6812, 7570, 8515, 9841, 13624, 15140, 17030, 19682, 30280, 34060, 39364, 49205, 68120, 78728, 98410, 99167, 196820, 198334, 393640, 396668, 495835, 793336, 991670, 1289171, 1983340, 2578342, 3966680, 5156684, 6445855, 10313368, 12891710, 25783420, 51566840]

約数ペア:

[(1, 51566840), (2, 25783420), (4, 12891710), (5, 10313368), (8, 6445855), (10, 5156684), (13, 3966680), (20, 2578342), (26, 1983340), (40, 1289171), (52, 991670), (65, 793336), (104, 495835), (130, 396668), (131, 393640), (260, 198334), (262, 196820), (520, 99167), (524, 98410), (655, 78728), (757, 68120), (1048, 49205), (1310, 39364), (1514, 34060), (1703, 30280), (2620, 19682), (3028, 17030), (3406, 15140), (3785, 13624), (5240, 9841), (6056, 8515), (6812, 7570)]