7853931940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{115601}}^1$

素因数の和:115732

約数の個数: 48

約数和(自身を含む): 17090599680

約数和(自身を除く): 9236667740

約数列:

[1, 2, 4, 5, 10, 20, 43, 79, 86, 158, 172, 215, 316, 395, 430, 790, 860, 1580, 3397, 6794, 13588, 16985, 33970, 67940, 115601, 231202, 462404, 578005, 1156010, 2312020, 4970843, 9132479, 9941686, 18264958, 19883372, 24854215, 36529916, 45662395, 49708430, 91324790, 99416860, 182649580, 392696597, 785393194, 1570786388, 1963482985, 3926965970, 7853931940]

約数ペア:

[(1, 7853931940), (2, 3926965970), (4, 1963482985), (5, 1570786388), (10, 785393194), (20, 392696597), (43, 182649580), (79, 99416860), (86, 91324790), (158, 49708430), (172, 45662395), (215, 36529916), (316, 24854215), (395, 19883372), (430, 18264958), (790, 9941686), (860, 9132479), (1580, 4970843), (3397, 2312020), (6794, 1156010), (13588, 578005), (16985, 462404), (33970, 231202), (67940, 115601)]