13387760

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2357}}^1$

素因数の和:2441

約数の個数: 40

約数和(自身を含む): 31578336

約数和(自身を除く): 18190576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2357, 2840, 4714, 5680, 9428, 11785, 18856, 23570, 37712, 47140, 94280, 167347, 188560, 334694, 669388, 836735, 1338776, 1673470, 2677552, 3346940, 6693880, 13387760]

約数ペア:

[(1, 13387760), (2, 6693880), (4, 3346940), (5, 2677552), (8, 1673470), (10, 1338776), (16, 836735), (20, 669388), (40, 334694), (71, 188560), (80, 167347), (142, 94280), (284, 47140), (355, 37712), (568, 23570), (710, 18856), (1136, 11785), (1420, 9428), (2357, 5680), (2840, 4714)]