13870280

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2647}}^1$

素因数の和:2789

約数の個数: 32

約数和(自身を含む): 31458240

約数和(自身を除く): 17587960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 2647, 5240, 5294, 10588, 13235, 21176, 26470, 52940, 105880, 346757, 693514, 1387028, 1733785, 2774056, 3467570, 6935140, 13870280]

約数ペア:

[(1, 13870280), (2, 6935140), (4, 3467570), (5, 2774056), (8, 1733785), (10, 1387028), (20, 693514), (40, 346757), (131, 105880), (262, 52940), (524, 26470), (655, 21176), (1048, 13235), (1310, 10588), (2620, 5294), (2647, 5240)]