84709180

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{15629}}^1$

素因数の和:15909

約数の個数: 24

約数和(自身を含む): 178557120

約数和(自身を除く): 93847940

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 5420, 15629, 31258, 62516, 78145, 156290, 312580, 4235459, 8470918, 16941836, 21177295, 42354590, 84709180]

約数ペア:

[(1, 84709180), (2, 42354590), (4, 21177295), (5, 16941836), (10, 8470918), (20, 4235459), (271, 312580), (542, 156290), (1084, 78145), (1355, 62516), (2710, 31258), (5420, 15629)]