1239221440

素因数分解:

$2^6\times 5^1\times {\mathrm{3872567}}^1$

素因数の和:3872584

約数の個数: 28

約数和(自身を含む): 2950896816

約数和(自身を除く): 1711675376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 3872567, 7745134, 15490268, 19362835, 30980536, 38725670, 61961072, 77451340, 123922144, 154902680, 247844288, 309805360, 619610720, 1239221440]

約数ペア:

[(1, 1239221440), (2, 619610720), (4, 309805360), (5, 247844288), (8, 154902680), (10, 123922144), (16, 77451340), (20, 61961072), (32, 38725670), (40, 30980536), (64, 19362835), (80, 15490268), (160, 7745134), (320, 3872567)]