126581260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{1109}}^1$

素因数の和:1570

約数の個数: 48

約数和(自身を含む): 287179200

約数和(自身を除く): 160597940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 439, 878, 1109, 1756, 2195, 2218, 4390, 4436, 5545, 5707, 8780, 11090, 11414, 14417, 22180, 22828, 28535, 28834, 57070, 57668, 72085, 114140, 144170, 288340, 486851, 973702, 1947404, 2434255, 4868510, 6329063, 9737020, 12658126, 25316252, 31645315, 63290630, 126581260]

約数ペア:

[(1, 126581260), (2, 63290630), (4, 31645315), (5, 25316252), (10, 12658126), (13, 9737020), (20, 6329063), (26, 4868510), (52, 2434255), (65, 1947404), (130, 973702), (260, 486851), (439, 288340), (878, 144170), (1109, 114140), (1756, 72085), (2195, 57668), (2218, 57070), (4390, 28834), (4436, 28535), (5545, 22828), (5707, 22180), (8780, 14417), (11090, 11414)]