51664280

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{27481}}^1$

素因数の和:27539

約数の個数: 32

約数和(自身を含む): 118722240

約数和(自身を除く): 67057960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 27481, 54962, 109924, 137405, 219848, 274810, 549620, 1099240, 1291607, 2583214, 5166428, 6458035, 10332856, 12916070, 25832140, 51664280]

約数ペア:

[(1, 51664280), (2, 25832140), (4, 12916070), (5, 10332856), (8, 6458035), (10, 5166428), (20, 2583214), (40, 1291607), (47, 1099240), (94, 549620), (188, 274810), (235, 219848), (376, 137405), (470, 109924), (940, 54962), (1880, 27481)]