2189884040

素因数分解:

$2^3\times 5^1\times {\mathrm{761}}^1\times {\mathrm{71941}}^1$

素因数の和:72713

約数の個数: 32

約数和(自身を含む): 4933782360

約数和(自身を除く): 2743898320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 761, 1522, 3044, 3805, 6088, 7610, 15220, 30440, 71941, 143882, 287764, 359705, 575528, 719410, 1438820, 2877640, 54747101, 109494202, 218988404, 273735505, 437976808, 547471010, 1094942020, 2189884040]

約数ペア:

[(1, 2189884040), (2, 1094942020), (4, 547471010), (5, 437976808), (8, 273735505), (10, 218988404), (20, 109494202), (40, 54747101), (761, 2877640), (1522, 1438820), (3044, 719410), (3805, 575528), (6088, 359705), (7610, 287764), (15220, 143882), (30440, 71941)]