12507731560

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1991677}}^1$

素因数の和:1991845

約数の個数: 32

約数和(自身を含む): 28321661160

約数和(自身を除く): 15813929600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 1991677, 3983354, 7966708, 9958385, 15933416, 19916770, 39833540, 79667080, 312693289, 625386578, 1250773156, 1563466445, 2501546312, 3126932890, 6253865780, 12507731560]

約数ペア:

[(1, 12507731560), (2, 6253865780), (4, 3126932890), (5, 2501546312), (8, 1563466445), (10, 1250773156), (20, 625386578), (40, 312693289), (157, 79667080), (314, 39833540), (628, 19916770), (785, 15933416), (1256, 9958385), (1570, 7966708), (3140, 3983354), (6280, 1991677)]