12842680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10357}}^1$

素因数の和:10399

約数の個数: 32

約数和(自身を含む): 29831040

約数和(自身を除く): 16988360

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 10357, 20714, 41428, 51785, 82856, 103570, 207140, 321067, 414280, 642134, 1284268, 1605335, 2568536, 3210670, 6421340, 12842680]

約数ペア:

[(1, 12842680), (2, 6421340), (4, 3210670), (5, 2568536), (8, 1605335), (10, 1284268), (20, 642134), (31, 414280), (40, 321067), (62, 207140), (124, 103570), (155, 82856), (248, 51785), (310, 41428), (620, 20714), (1240, 10357)]