1298565520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2318867}}^1$

素因数の和:2318887

約数の個数: 40

約数和(自身を含む): 3450475584

約数和(自身を除く): 2151910064

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2318867, 4637734, 9275468, 11594335, 16232069, 18550936, 23188670, 32464138, 37101872, 46377340, 64928276, 81160345, 92754680, 129856552, 162320690, 185509360, 259713104, 324641380, 649282760, 1298565520]

約数ペア:

[(1, 1298565520), (2, 649282760), (4, 324641380), (5, 259713104), (7, 185509360), (8, 162320690), (10, 129856552), (14, 92754680), (16, 81160345), (20, 64928276), (28, 46377340), (35, 37101872), (40, 32464138), (56, 23188670), (70, 18550936), (80, 16232069), (112, 11594335), (140, 9275468), (280, 4637734), (560, 2318867)]