87349880

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{30757}}^1$

素因数の和:30839

約数の個数: 32

約数和(自身を含む): 199311840

約数和(自身を除く): 111961960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 30757, 61514, 123028, 153785, 246056, 307570, 615140, 1230280, 2183747, 4367494, 8734988, 10918735, 17469976, 21837470, 43674940, 87349880]

約数ペア:

[(1, 87349880), (2, 43674940), (4, 21837470), (5, 17469976), (8, 10918735), (10, 8734988), (20, 4367494), (40, 2183747), (71, 1230280), (142, 615140), (284, 307570), (355, 246056), (568, 153785), (710, 123028), (1420, 61514), (2840, 30757)]