9816040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1$

素因数の和:506

約数の個数: 64

約数和(自身を含む): 24393600

約数和(自身を除く): 14577560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 439, 520, 559, 860, 878, 1118, 1720, 1756, 2195, 2236, 2795, 3512, 4390, 4472, 5590, 5707, 8780, 11180, 11414, 17560, 18877, 22360, 22828, 28535, 37754, 45656, 57070, 75508, 94385, 114140, 151016, 188770, 228280, 245401, 377540, 490802, 755080, 981604, 1227005, 1963208, 2454010, 4908020, 9816040]

約数ペア:

[(1, 9816040), (2, 4908020), (4, 2454010), (5, 1963208), (8, 1227005), (10, 981604), (13, 755080), (20, 490802), (26, 377540), (40, 245401), (43, 228280), (52, 188770), (65, 151016), (86, 114140), (104, 94385), (130, 75508), (172, 57070), (215, 45656), (260, 37754), (344, 28535), (430, 22828), (439, 22360), (520, 18877), (559, 17560), (860, 11414), (878, 11180), (1118, 8780), (1720, 5707), (1756, 5590), (2195, 4472), (2236, 4390), (2795, 3512)]