1386015220

素因数分解:

$2^2\times 5^1\times {\mathrm{811}}^1\times {\mathrm{85451}}^1$

素因数の和:86271

約数の個数: 24

約数和(自身を含む): 2914255008

約数和(自身を除く): 1528239788

約数列:

[1, 2, 4, 5, 10, 20, 811, 1622, 3244, 4055, 8110, 16220, 85451, 170902, 341804, 427255, 854510, 1709020, 69300761, 138601522, 277203044, 346503805, 693007610, 1386015220]

約数ペア:

[(1, 1386015220), (2, 693007610), (4, 346503805), (5, 277203044), (10, 138601522), (20, 69300761), (811, 1709020), (1622, 854510), (3244, 427255), (4055, 341804), (8110, 170902), (16220, 85451)]