139086760

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{84809}}^1$

素因数の和:84861

約数の個数: 32

約数和(自身を含む): 320581800

約数和(自身を除く): 181495040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 84809, 169618, 339236, 424045, 678472, 848090, 1696180, 3392360, 3477169, 6954338, 13908676, 17385845, 27817352, 34771690, 69543380, 139086760]

約数ペア:

[(1, 139086760), (2, 69543380), (4, 34771690), (5, 27817352), (8, 17385845), (10, 13908676), (20, 6954338), (40, 3477169), (41, 3392360), (82, 1696180), (164, 848090), (205, 678472), (328, 424045), (410, 339236), (820, 169618), (1640, 84809)]