78611480

素因数分解:

$2^3\times 5^1\times {\mathrm{1327}}^1\times {\mathrm{1481}}^1$

素因数の和:2819

約数の個数: 32

約数和(自身を含む): 177128640

約数和(自身を除く): 98517160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1327, 1481, 2654, 2962, 5308, 5924, 6635, 7405, 10616, 11848, 13270, 14810, 26540, 29620, 53080, 59240, 1965287, 3930574, 7861148, 9826435, 15722296, 19652870, 39305740, 78611480]

約数ペア:

[(1, 78611480), (2, 39305740), (4, 19652870), (5, 15722296), (8, 9826435), (10, 7861148), (20, 3930574), (40, 1965287), (1327, 59240), (1481, 53080), (2654, 29620), (2962, 26540), (5308, 14810), (5924, 13270), (6635, 11848), (7405, 10616)]