65908120

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{20857}}^1$

素因数の和:20947

約数の個数: 32

約数和(自身を含む): 150177600

約数和(自身を除く): 84269480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 20857, 41714, 83428, 104285, 166856, 208570, 417140, 834280, 1647703, 3295406, 6590812, 8238515, 13181624, 16477030, 32954060, 65908120]

約数ペア:

[(1, 65908120), (2, 32954060), (4, 16477030), (5, 13181624), (8, 8238515), (10, 6590812), (20, 3295406), (40, 1647703), (79, 834280), (158, 417140), (316, 208570), (395, 166856), (632, 104285), (790, 83428), (1580, 41714), (3160, 20857)]