217167520

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79841}}^1$

素因数の和:79873

約数の個数: 48

約数和(自身を含む): 543244968

約数和(自身を除く): 326077448

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 79841, 159682, 319364, 399205, 638728, 798410, 1277456, 1357297, 1596820, 2554912, 2714594, 3193640, 5429188, 6387280, 6786485, 10858376, 12774560, 13572970, 21716752, 27145940, 43433504, 54291880, 108583760, 217167520]

約数ペア:

[(1, 217167520), (2, 108583760), (4, 54291880), (5, 43433504), (8, 27145940), (10, 21716752), (16, 13572970), (17, 12774560), (20, 10858376), (32, 6786485), (34, 6387280), (40, 5429188), (68, 3193640), (80, 2714594), (85, 2554912), (136, 1596820), (160, 1357297), (170, 1277456), (272, 798410), (340, 638728), (544, 399205), (680, 319364), (1360, 159682), (2720, 79841)]