65005480

素因数分解:

$2^3\times 5^1\times {\mathrm{547}}^1\times {\mathrm{2971}}^1$

素因数の和:3529

約数の個数: 32

約数和(自身を含む): 146579040

約数和(自身を除く): 81573560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 547, 1094, 2188, 2735, 2971, 4376, 5470, 5942, 10940, 11884, 14855, 21880, 23768, 29710, 59420, 118840, 1625137, 3250274, 6500548, 8125685, 13001096, 16251370, 32502740, 65005480]

約数ペア:

[(1, 65005480), (2, 32502740), (4, 16251370), (5, 13001096), (8, 8125685), (10, 6500548), (20, 3250274), (40, 1625137), (547, 118840), (1094, 59420), (2188, 29710), (2735, 23768), (2971, 21880), (4376, 14855), (5470, 11884), (5942, 10940)]