3155120

素因数分解:

$2^4\times 5^1\times {\mathrm{39439}}^1$

素因数の和:39452

約数の個数: 20

約数和(自身を含む): 7335840

約数和(自身を除く): 4180720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 39439, 78878, 157756, 197195, 315512, 394390, 631024, 788780, 1577560, 3155120]

約数ペア:

[(1, 3155120), (2, 1577560), (4, 788780), (5, 631024), (8, 394390), (10, 315512), (16, 197195), (20, 157756), (40, 78878), (80, 39439)]