51971240

素因数分解:

$2^3\times 5^1\times {\mathrm{619}}^1\times {\mathrm{2099}}^1$

素因数の和:2729

約数の個数: 32

約数和(自身を含む): 117180000

約数和(自身を除く): 65208760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 619, 1238, 2099, 2476, 3095, 4198, 4952, 6190, 8396, 10495, 12380, 16792, 20990, 24760, 41980, 83960, 1299281, 2598562, 5197124, 6496405, 10394248, 12992810, 25985620, 51971240]

約数ペア:

[(1, 51971240), (2, 25985620), (4, 12992810), (5, 10394248), (8, 6496405), (10, 5197124), (20, 2598562), (40, 1299281), (619, 83960), (1238, 41980), (2099, 24760), (2476, 20990), (3095, 16792), (4198, 12380), (4952, 10495), (6190, 8396)]