2170480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2087}}^1$

素因数の和:2113

約数の個数: 40

約数和(自身を含む): 5437152

約数和(自身を除く): 3266672

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2087, 4174, 8348, 10435, 16696, 20870, 27131, 33392, 41740, 54262, 83480, 108524, 135655, 166960, 217048, 271310, 434096, 542620, 1085240, 2170480]

約数ペア:

[(1, 2170480), (2, 1085240), (4, 542620), (5, 434096), (8, 271310), (10, 217048), (13, 166960), (16, 135655), (20, 108524), (26, 83480), (40, 54262), (52, 41740), (65, 33392), (80, 27131), (104, 20870), (130, 16696), (208, 10435), (260, 8348), (520, 4174), (1040, 2087)]