28727980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{49531}}^1$

素因数の和:49569

約数の個数: 24

約数和(自身を含む): 62410320

約数和(自身を除く): 33682340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 49531, 99062, 198124, 247655, 495310, 990620, 1436399, 2872798, 5745596, 7181995, 14363990, 28727980]

約数ペア:

[(1, 28727980), (2, 14363990), (4, 7181995), (5, 5745596), (10, 2872798), (20, 1436399), (29, 990620), (58, 495310), (116, 247655), (145, 198124), (290, 99062), (580, 49531)]