39879140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{40693}}^1$

素因数の和:40716

約数の個数: 36

約数和(自身を含む): 97421436

約数和(自身を除く): 57542296

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 40693, 81386, 162772, 203465, 284851, 406930, 569702, 813860, 1139404, 1424255, 1993957, 2848510, 3987914, 5697020, 7975828, 9969785, 19939570, 39879140]

約数ペア:

[(1, 39879140), (2, 19939570), (4, 9969785), (5, 7975828), (7, 5697020), (10, 3987914), (14, 2848510), (20, 1993957), (28, 1424255), (35, 1139404), (49, 813860), (70, 569702), (98, 406930), (140, 284851), (196, 203465), (245, 162772), (490, 81386), (980, 40693)]