13357940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 29756160

約数和(自身を除く): 16398220

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 71, 92, 115, 142, 230, 284, 355, 409, 460, 710, 818, 1420, 1633, 1636, 2045, 3266, 4090, 6532, 8165, 8180, 9407, 16330, 18814, 29039, 32660, 37628, 47035, 58078, 94070, 116156, 145195, 188140, 290390, 580780, 667897, 1335794, 2671588, 3339485, 6678970, 13357940]

約数ペア:

[(1, 13357940), (2, 6678970), (4, 3339485), (5, 2671588), (10, 1335794), (20, 667897), (23, 580780), (46, 290390), (71, 188140), (92, 145195), (115, 116156), (142, 94070), (230, 58078), (284, 47035), (355, 37628), (409, 32660), (460, 29039), (710, 18814), (818, 16330), (1420, 9407), (1633, 8180), (1636, 8165), (2045, 6532), (3266, 4090)]