456560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1$

素因数の和:465

約数の個数: 40

約数和(自身を含む): 1145760

約数和(自身を除く): 689200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 439, 520, 878, 1040, 1756, 2195, 3512, 4390, 5707, 7024, 8780, 11414, 17560, 22828, 28535, 35120, 45656, 57070, 91312, 114140, 228280, 456560]

約数ペア:

[(1, 456560), (2, 228280), (4, 114140), (5, 91312), (8, 57070), (10, 45656), (13, 35120), (16, 28535), (20, 22828), (26, 17560), (40, 11414), (52, 8780), (65, 7024), (80, 5707), (104, 4390), (130, 3512), (208, 2195), (260, 1756), (439, 1040), (520, 878)]