126999140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{154877}}^1$

素因数の和:154927

約数の個数: 24

約数和(自身を含む): 273204792

約数和(自身を除く): 146205652

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 154877, 309754, 619508, 774385, 1548770, 3097540, 6349957, 12699914, 25399828, 31749785, 63499570, 126999140]

約数ペア:

[(1, 126999140), (2, 63499570), (4, 31749785), (5, 25399828), (10, 12699914), (20, 6349957), (41, 3097540), (82, 1548770), (164, 774385), (205, 619508), (410, 309754), (820, 154877)]