51142760

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{8581}}^1$

素因数の和:8741

約数の個数: 32

約数和(自身を含む): 115857000

約数和(自身を除く): 64714240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5960, 8581, 17162, 34324, 42905, 68648, 85810, 171620, 343240, 1278569, 2557138, 5114276, 6392845, 10228552, 12785690, 25571380, 51142760]

約数ペア:

[(1, 51142760), (2, 25571380), (4, 12785690), (5, 10228552), (8, 6392845), (10, 5114276), (20, 2557138), (40, 1278569), (149, 343240), (298, 171620), (596, 85810), (745, 68648), (1192, 42905), (1490, 34324), (2980, 17162), (5960, 8581)]