67627960

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{15511}}^1$

素因数の和:15631

約数の個数: 32

約数和(自身を含む): 153568800

約数和(自身を除く): 85940840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 15511, 31022, 62044, 77555, 124088, 155110, 310220, 620440, 1690699, 3381398, 6762796, 8453495, 13525592, 16906990, 33813980, 67627960]

約数ペア:

[(1, 67627960), (2, 33813980), (4, 16906990), (5, 13525592), (8, 8453495), (10, 6762796), (20, 3381398), (40, 1690699), (109, 620440), (218, 310220), (436, 155110), (545, 124088), (872, 77555), (1090, 62044), (2180, 31022), (4360, 15511)]