8163880

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2459}}^1$

素因数の和:2553

約数の個数: 32

約数和(自身を含む): 18597600

約数和(自身を除く): 10433720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 2459, 3320, 4918, 9836, 12295, 19672, 24590, 49180, 98360, 204097, 408194, 816388, 1020485, 1632776, 2040970, 4081940, 8163880]

約数ペア:

[(1, 8163880), (2, 4081940), (4, 2040970), (5, 1632776), (8, 1020485), (10, 816388), (20, 408194), (40, 204097), (83, 98360), (166, 49180), (332, 24590), (415, 19672), (664, 12295), (830, 9836), (1660, 4918), (2459, 3320)]