210408560

素因数分解:

$2^4\times 5^1\times {\mathrm{2630107}}^1$

素因数の和:2630120

約数の個数: 20

約数和(自身を含む): 489200088

約数和(自身を除く): 278791528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2630107, 5260214, 10520428, 13150535, 21040856, 26301070, 42081712, 52602140, 105204280, 210408560]

約数ペア:

[(1, 210408560), (2, 105204280), (4, 52602140), (5, 42081712), (8, 26301070), (10, 21040856), (16, 13150535), (20, 10520428), (40, 5260214), (80, 2630107)]