22718840

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{9311}}^1$

素因数の和:9383

約数の個数: 32

約数和(自身を含む): 51960960

約数和(自身を除く): 29242120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 9311, 18622, 37244, 46555, 74488, 93110, 186220, 372440, 567971, 1135942, 2271884, 2839855, 4543768, 5679710, 11359420, 22718840]

約数ペア:

[(1, 22718840), (2, 11359420), (4, 5679710), (5, 4543768), (8, 2839855), (10, 2271884), (20, 1135942), (40, 567971), (61, 372440), (122, 186220), (244, 93110), (305, 74488), (488, 46555), (610, 37244), (1220, 18622), (2440, 9311)]