6665480

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2347}}^1$

素因数の和:2429

約数の個数: 32

約数和(自身を含む): 15215040

約数和(自身を除く): 8549560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2347, 2840, 4694, 9388, 11735, 18776, 23470, 46940, 93880, 166637, 333274, 666548, 833185, 1333096, 1666370, 3332740, 6665480]

約数ペア:

[(1, 6665480), (2, 3332740), (4, 1666370), (5, 1333096), (8, 833185), (10, 666548), (20, 333274), (40, 166637), (71, 93880), (142, 46940), (284, 23470), (355, 18776), (568, 11735), (710, 9388), (1420, 4694), (2347, 2840)]