12791960

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{3853}}^1$

素因数の和:3947

約数の個数: 32

約数和(自身を含む): 29136240

約数和(自身を除く): 16344280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 3853, 7706, 15412, 19265, 30824, 38530, 77060, 154120, 319799, 639598, 1279196, 1598995, 2558392, 3197990, 6395980, 12791960]

約数ペア:

[(1, 12791960), (2, 6395980), (4, 3197990), (5, 2558392), (8, 1598995), (10, 1279196), (20, 639598), (40, 319799), (83, 154120), (166, 77060), (332, 38530), (415, 30824), (664, 19265), (830, 15412), (1660, 7706), (3320, 3853)]