2019062480

素因数分解:

$2^4\times 5^1\times {\mathrm{25238281}}^1$

素因数の和:25238294

約数の個数: 20

約数和(自身を含む): 4694320452

約数和(自身を除く): 2675257972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25238281, 50476562, 100953124, 126191405, 201906248, 252382810, 403812496, 504765620, 1009531240, 2019062480]

約数ペア:

[(1, 2019062480), (2, 1009531240), (4, 504765620), (5, 403812496), (8, 252382810), (10, 201906248), (16, 126191405), (20, 100953124), (40, 50476562), (80, 25238281)]