260282480

素因数分解:

$2^4\times 5^1\times {\mathrm{3253531}}^1$

素因数の和:3253544

約数の個数: 20

約数和(自身を含む): 605156952

約数和(自身を除く): 344874472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3253531, 6507062, 13014124, 16267655, 26028248, 32535310, 52056496, 65070620, 130141240, 260282480]

約数ペア:

[(1, 260282480), (2, 130141240), (4, 65070620), (5, 52056496), (8, 32535310), (10, 26028248), (16, 16267655), (20, 13014124), (40, 6507062), (80, 3253531)]