40429090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{881}}^1$

素因数の和:1254

約数の個数: 32

約数和(自身を含む): 78681456

約数和(自身を除く): 38252366

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 353, 706, 881, 1762, 1765, 3530, 4405, 4589, 8810, 9178, 11453, 22906, 22945, 45890, 57265, 114530, 310993, 621986, 1554965, 3109930, 4042909, 8085818, 20214545, 40429090]

約数ペア:

[(1, 40429090), (2, 20214545), (5, 8085818), (10, 4042909), (13, 3109930), (26, 1554965), (65, 621986), (130, 310993), (353, 114530), (706, 57265), (881, 45890), (1762, 22945), (1765, 22906), (3530, 11453), (4405, 9178), (4589, 8810)]