674238760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1296613}}^1$

素因数の和:1296637

約数の個数: 32

約数和(自身を含む): 1633733640

約数和(自身を除く): 959494880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1296613, 2593226, 5186452, 6483065, 10372904, 12966130, 16855969, 25932260, 33711938, 51864520, 67423876, 84279845, 134847752, 168559690, 337119380, 674238760]

約数ペア:

[(1, 674238760), (2, 337119380), (4, 168559690), (5, 134847752), (8, 84279845), (10, 67423876), (13, 51864520), (20, 33711938), (26, 25932260), (40, 16855969), (52, 12966130), (65, 10372904), (104, 6483065), (130, 5186452), (260, 2593226), (520, 1296613)]