78923560

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{6427}}^1$

素因数の和:6745

約数の個数: 32

約数和(自身を含む): 178184160

約数和(自身を除く): 99260600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2456, 3070, 6140, 6427, 12280, 12854, 25708, 32135, 51416, 64270, 128540, 257080, 1973089, 3946178, 7892356, 9865445, 15784712, 19730890, 39461780, 78923560]

約数ペア:

[(1, 78923560), (2, 39461780), (4, 19730890), (5, 15784712), (8, 9865445), (10, 7892356), (20, 3946178), (40, 1973089), (307, 257080), (614, 128540), (1228, 64270), (1535, 51416), (2456, 32135), (3070, 25708), (6140, 12854), (6427, 12280)]