9893840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11243}}^1$

素因数の和:11267

約数の個数: 40

約数和(自身を含む): 25096608

約数和(自身を除く): 15202768

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 11243, 22486, 44972, 56215, 89944, 112430, 123673, 179888, 224860, 247346, 449720, 494692, 618365, 899440, 989384, 1236730, 1978768, 2473460, 4946920, 9893840]

約数ペア:

[(1, 9893840), (2, 4946920), (4, 2473460), (5, 1978768), (8, 1236730), (10, 989384), (11, 899440), (16, 618365), (20, 494692), (22, 449720), (40, 247346), (44, 224860), (55, 179888), (80, 123673), (88, 112430), (110, 89944), (176, 56215), (220, 44972), (440, 22486), (880, 11243)]