82691720

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{12379}}^1$

素因数の和:12557

約数の個数: 32

約数和(自身を含む): 187185600

約数和(自身を除く): 104493880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1336, 1670, 3340, 6680, 12379, 24758, 49516, 61895, 99032, 123790, 247580, 495160, 2067293, 4134586, 8269172, 10336465, 16538344, 20672930, 41345860, 82691720]

約数ペア:

[(1, 82691720), (2, 41345860), (4, 20672930), (5, 16538344), (8, 10336465), (10, 8269172), (20, 4134586), (40, 2067293), (167, 495160), (334, 247580), (668, 123790), (835, 99032), (1336, 61895), (1670, 49516), (3340, 24758), (6680, 12379)]