51781160

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41759}}^1$

素因数の和:41801

約数の個数: 32

約数和(自身を含む): 120268800

約数和(自身を除く): 68487640

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 41759, 83518, 167036, 208795, 334072, 417590, 835180, 1294529, 1670360, 2589058, 5178116, 6472645, 10356232, 12945290, 25890580, 51781160]

約数ペア:

[(1, 51781160), (2, 25890580), (4, 12945290), (5, 10356232), (8, 6472645), (10, 5178116), (20, 2589058), (31, 1670360), (40, 1294529), (62, 835180), (124, 417590), (155, 334072), (248, 208795), (310, 167036), (620, 83518), (1240, 41759)]