11888920

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{3581}}^1$

素因数の和:3675

約数の個数: 32

約数和(自身を含む): 27079920

約数和(自身を除く): 15191000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 3581, 7162, 14324, 17905, 28648, 35810, 71620, 143240, 297223, 594446, 1188892, 1486115, 2377784, 2972230, 5944460, 11888920]

約数ペア:

[(1, 11888920), (2, 5944460), (4, 2972230), (5, 2377784), (8, 1486115), (10, 1188892), (20, 594446), (40, 297223), (83, 143240), (166, 71620), (332, 35810), (415, 28648), (664, 17905), (830, 14324), (1660, 7162), (3320, 3581)]