129376480

素因数分解:

$2^5\times 5^1\times {\mathrm{808603}}^1$

素因数の和:808618

約数の個数: 24

約数和(自身を含む): 305652312

約数和(自身を除く): 176275832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 808603, 1617206, 3234412, 4043015, 6468824, 8086030, 12937648, 16172060, 25875296, 32344120, 64688240, 129376480]

約数ペア:

[(1, 129376480), (2, 64688240), (4, 32344120), (5, 25875296), (8, 16172060), (10, 12937648), (16, 8086030), (20, 6468824), (32, 4043015), (40, 3234412), (80, 1617206), (160, 808603)]