53306780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{140281}}^1$

素因数の和:140309

約数の個数: 24

約数和(自身を含む): 117836880

約数和(自身を除く): 64530100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 140281, 280562, 561124, 701405, 1402810, 2665339, 2805620, 5330678, 10661356, 13326695, 26653390, 53306780]

約数ペア:

[(1, 53306780), (2, 26653390), (4, 13326695), (5, 10661356), (10, 5330678), (19, 2805620), (20, 2665339), (38, 1402810), (76, 701405), (95, 561124), (190, 280562), (380, 140281)]