85855280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{153313}}^1$

素因数の和:153333

約数の個数: 40

約数和(自身を含む): 228131232

約数和(自身を除く): 142275952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 153313, 306626, 613252, 766565, 1073191, 1226504, 1533130, 2146382, 2453008, 3066260, 4292764, 5365955, 6132520, 8585528, 10731910, 12265040, 17171056, 21463820, 42927640, 85855280]

約数ペア:

[(1, 85855280), (2, 42927640), (4, 21463820), (5, 17171056), (7, 12265040), (8, 10731910), (10, 8585528), (14, 6132520), (16, 5365955), (20, 4292764), (28, 3066260), (35, 2453008), (40, 2146382), (56, 1533130), (70, 1226504), (80, 1073191), (112, 766565), (140, 613252), (280, 306626), (560, 153313)]