51140272

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{19609}}^1$

素因数の和:19780

約数の個数: 20

約数和(自身を含む): 99697240

約数和(自身を除く): 48556968

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 19609, 39218, 78436, 156872, 313744, 3196267, 6392534, 12785068, 25570136, 51140272]

約数ペア:

[(1, 51140272), (2, 25570136), (4, 12785068), (8, 6392534), (16, 3196267), (163, 313744), (326, 156872), (652, 78436), (1304, 39218), (2608, 19609)]