8439380

素因数分解:

$2^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{739}}^1$

素因数の和:1319

約数の個数: 24

約数和(自身を含む): 17777760

約数和(自身を除く): 9338380

約数列:

[1, 2, 4, 5, 10, 20, 571, 739, 1142, 1478, 2284, 2855, 2956, 3695, 5710, 7390, 11420, 14780, 421969, 843938, 1687876, 2109845, 4219690, 8439380]

約数ペア:

[(1, 8439380), (2, 4219690), (4, 2109845), (5, 1687876), (10, 843938), (20, 421969), (571, 14780), (739, 11420), (1142, 7390), (1478, 5710), (2284, 3695), (2855, 2956)]