7971920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9059}}^1$

素因数の和:9083

約数の個数: 40

約数和(自身を含む): 20221920

約数和(自身を除く): 12250000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 9059, 18118, 36236, 45295, 72472, 90590, 99649, 144944, 181180, 199298, 362360, 398596, 498245, 724720, 797192, 996490, 1594384, 1992980, 3985960, 7971920]

約数ペア:

[(1, 7971920), (2, 3985960), (4, 1992980), (5, 1594384), (8, 996490), (10, 797192), (11, 724720), (16, 498245), (20, 398596), (22, 362360), (40, 199298), (44, 181180), (55, 144944), (80, 99649), (88, 90590), (110, 72472), (176, 45295), (220, 36236), (440, 18118), (880, 9059)]