1294508720

素因数分解:

$2^4\times 5^1\times {\mathrm{16181359}}^1$

素因数の和:16181372

約数の個数: 20

約数和(自身を含む): 3009732960

約数和(自身を除く): 1715224240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 16181359, 32362718, 64725436, 80906795, 129450872, 161813590, 258901744, 323627180, 647254360, 1294508720]

約数ペア:

[(1, 1294508720), (2, 647254360), (4, 323627180), (5, 258901744), (8, 161813590), (10, 129450872), (16, 80906795), (20, 64725436), (40, 32362718), (80, 16181359)]