158777560

素因数分解:

$2^3\times 5^1\times {\mathrm{859}}^1\times {\mathrm{4621}}^1$

素因数の和:5491

約数の個数: 32

約数和(自身を含む): 357742800

約数和(自身を除く): 198965240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 859, 1718, 3436, 4295, 4621, 6872, 8590, 9242, 17180, 18484, 23105, 34360, 36968, 46210, 92420, 184840, 3969439, 7938878, 15877756, 19847195, 31755512, 39694390, 79388780, 158777560]

約数ペア:

[(1, 158777560), (2, 79388780), (4, 39694390), (5, 31755512), (8, 19847195), (10, 15877756), (20, 7938878), (40, 3969439), (859, 184840), (1718, 92420), (3436, 46210), (4295, 36968), (4621, 34360), (6872, 23105), (8590, 18484), (9242, 17180)]