12187720

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{3671}}^1$

素因数の和:3765

約数の個数: 32

約数和(自身を含む): 27760320

約数和(自身を除く): 15572600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 3671, 7342, 14684, 18355, 29368, 36710, 73420, 146840, 304693, 609386, 1218772, 1523465, 2437544, 3046930, 6093860, 12187720]

約数ペア:

[(1, 12187720), (2, 6093860), (4, 3046930), (5, 2437544), (8, 1523465), (10, 1218772), (20, 609386), (40, 304693), (83, 146840), (166, 73420), (332, 36710), (415, 29368), (664, 18355), (830, 14684), (1660, 7342), (3320, 3671)]