64836320

素因数分解:

$2^5\times 5^1\times {\mathrm{405227}}^1$

素因数の和:405242

約数の個数: 24

約数和(自身を含む): 153176184

約数和(自身を除く): 88339864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 405227, 810454, 1620908, 2026135, 3241816, 4052270, 6483632, 8104540, 12967264, 16209080, 32418160, 64836320]

約数ペア:

[(1, 64836320), (2, 32418160), (4, 16209080), (5, 12967264), (8, 8104540), (10, 6483632), (16, 4052270), (20, 3241816), (32, 2026135), (40, 1620908), (80, 810454), (160, 405227)]