49765040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{439}}^1$

素因数の和:574

約数の個数: 80

約数和(自身を含む): 126033600

約数和(自身を除く): 76268560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 109, 130, 208, 218, 260, 436, 439, 520, 545, 872, 878, 1040, 1090, 1417, 1744, 1756, 2180, 2195, 2834, 3512, 4360, 4390, 5668, 5707, 7024, 7085, 8720, 8780, 11336, 11414, 14170, 17560, 22672, 22828, 28340, 28535, 35120, 45656, 47851, 56680, 57070, 91312, 95702, 113360, 114140, 191404, 228280, 239255, 382808, 456560, 478510, 622063, 765616, 957020, 1244126, 1914040, 2488252, 3110315, 3828080, 4976504, 6220630, 9953008, 12441260, 24882520, 49765040]

約数ペア:

[(1, 49765040), (2, 24882520), (4, 12441260), (5, 9953008), (8, 6220630), (10, 4976504), (13, 3828080), (16, 3110315), (20, 2488252), (26, 1914040), (40, 1244126), (52, 957020), (65, 765616), (80, 622063), (104, 478510), (109, 456560), (130, 382808), (208, 239255), (218, 228280), (260, 191404), (436, 114140), (439, 113360), (520, 95702), (545, 91312), (872, 57070), (878, 56680), (1040, 47851), (1090, 45656), (1417, 35120), (1744, 28535), (1756, 28340), (2180, 22828), (2195, 22672), (2834, 17560), (3512, 14170), (4360, 11414), (4390, 11336), (5668, 8780), (5707, 8720), (7024, 7085)]