129203020

素因数分解:

$2^2\times 5^1\times {\mathrm{2137}}^1\times {\mathrm{3023}}^1$

素因数の和:5169

約数の個数: 24

約数和(自身を含む): 271543104

約数和(自身を除く): 142340084

約数列:

[1, 2, 4, 5, 10, 20, 2137, 3023, 4274, 6046, 8548, 10685, 12092, 15115, 21370, 30230, 42740, 60460, 6460151, 12920302, 25840604, 32300755, 64601510, 129203020]

約数ペア:

[(1, 129203020), (2, 64601510), (4, 32300755), (5, 25840604), (10, 12920302), (20, 6460151), (2137, 60460), (3023, 42740), (4274, 30230), (6046, 21370), (8548, 15115), (10685, 12092)]