168439160

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{10607}}^1$

素因数の和:11015

約数の個数: 32

約数和(自身を含む): 379978560

約数和(自身を除く): 211539400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1985, 3176, 3970, 7940, 10607, 15880, 21214, 42428, 53035, 84856, 106070, 212140, 424280, 4210979, 8421958, 16843916, 21054895, 33687832, 42109790, 84219580, 168439160]

約数ペア:

[(1, 168439160), (2, 84219580), (4, 42109790), (5, 33687832), (8, 21054895), (10, 16843916), (20, 8421958), (40, 4210979), (397, 424280), (794, 212140), (1588, 106070), (1985, 84856), (3176, 53035), (3970, 42428), (7940, 21214), (10607, 15880)]