2017840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2293}}^1$

素因数の和:2317

約数の個数: 40

約数和(自身を含む): 5120208

約数和(自身を除く): 3102368

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2293, 4586, 9172, 11465, 18344, 22930, 25223, 36688, 45860, 50446, 91720, 100892, 126115, 183440, 201784, 252230, 403568, 504460, 1008920, 2017840]

約数ペア:

[(1, 2017840), (2, 1008920), (4, 504460), (5, 403568), (8, 252230), (10, 201784), (11, 183440), (16, 126115), (20, 100892), (22, 91720), (40, 50446), (44, 45860), (55, 36688), (80, 25223), (88, 22930), (110, 18344), (176, 11465), (220, 9172), (440, 4586), (880, 2293)]