85425520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1307}}^1$

素因数の和:1382

約数の個数: 80

約数和(自身を含む): 214093440

約数和(自身を除く): 128667920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 43, 76, 80, 86, 95, 152, 172, 190, 215, 304, 344, 380, 430, 688, 760, 817, 860, 1307, 1520, 1634, 1720, 2614, 3268, 3440, 4085, 5228, 6535, 6536, 8170, 10456, 13070, 13072, 16340, 20912, 24833, 26140, 32680, 49666, 52280, 56201, 65360, 99332, 104560, 112402, 124165, 198664, 224804, 248330, 281005, 397328, 449608, 496660, 562010, 899216, 993320, 1067819, 1124020, 1986640, 2135638, 2248040, 4271276, 4496080, 5339095, 8542552, 10678190, 17085104, 21356380, 42712760, 85425520]

約数ペア:

[(1, 85425520), (2, 42712760), (4, 21356380), (5, 17085104), (8, 10678190), (10, 8542552), (16, 5339095), (19, 4496080), (20, 4271276), (38, 2248040), (40, 2135638), (43, 1986640), (76, 1124020), (80, 1067819), (86, 993320), (95, 899216), (152, 562010), (172, 496660), (190, 449608), (215, 397328), (304, 281005), (344, 248330), (380, 224804), (430, 198664), (688, 124165), (760, 112402), (817, 104560), (860, 99332), (1307, 65360), (1520, 56201), (1634, 52280), (1720, 49666), (2614, 32680), (3268, 26140), (3440, 24833), (4085, 20912), (5228, 16340), (6535, 13072), (6536, 13070), (8170, 10456)]