77820320

素因数分解:

$2^5\times 5^1\times {\mathrm{486377}}^1$

素因数の和:486392

約数の個数: 24

約数和(自身を含む): 183850884

約数和(自身を除く): 106030564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 486377, 972754, 1945508, 2431885, 3891016, 4863770, 7782032, 9727540, 15564064, 19455080, 38910160, 77820320]

約数ペア:

[(1, 77820320), (2, 38910160), (4, 19455080), (5, 15564064), (8, 9727540), (10, 7782032), (16, 4863770), (20, 3891016), (32, 2431885), (40, 1945508), (80, 972754), (160, 486377)]