9889840

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{683}}^1$

素因数の和:877

約数の個数: 40

約数和(自身を含む): 23154768

約数和(自身を除く): 13264928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 683, 724, 905, 1366, 1448, 1810, 2732, 2896, 3415, 3620, 5464, 6830, 7240, 10928, 13660, 14480, 27320, 54640, 123623, 247246, 494492, 618115, 988984, 1236230, 1977968, 2472460, 4944920, 9889840]

約数ペア:

[(1, 9889840), (2, 4944920), (4, 2472460), (5, 1977968), (8, 1236230), (10, 988984), (16, 618115), (20, 494492), (40, 247246), (80, 123623), (181, 54640), (362, 27320), (683, 14480), (724, 13660), (905, 10928), (1366, 7240), (1448, 6830), (1810, 5464), (2732, 3620), (2896, 3415)]