61919020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{75511}}^1$

素因数の和:75561

約数の個数: 24

約数和(自身を含む): 133203168

約数和(自身を除く): 71284148

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 75511, 151022, 302044, 377555, 755110, 1510220, 3095951, 6191902, 12383804, 15479755, 30959510, 61919020]

約数ペア:

[(1, 61919020), (2, 30959510), (4, 15479755), (5, 12383804), (10, 6191902), (20, 3095951), (41, 1510220), (82, 755110), (164, 377555), (205, 302044), (410, 151022), (820, 75511)]