4393840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4993}}^1$

素因数の和:5017

約数の個数: 40

約数和(自身を含む): 11146608

約数和(自身を除く): 6752768

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 4993, 9986, 19972, 24965, 39944, 49930, 54923, 79888, 99860, 109846, 199720, 219692, 274615, 399440, 439384, 549230, 878768, 1098460, 2196920, 4393840]

約数ペア:

[(1, 4393840), (2, 2196920), (4, 1098460), (5, 878768), (8, 549230), (10, 439384), (11, 399440), (16, 274615), (20, 219692), (22, 199720), (40, 109846), (44, 99860), (55, 79888), (80, 54923), (88, 49930), (110, 39944), (176, 24965), (220, 19972), (440, 9986), (880, 4993)]