16631120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18899}}^1$

素因数の和:18923

約数の個数: 40

約数和(自身を含む): 42184800

約数和(自身を除く): 25553680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 18899, 37798, 75596, 94495, 151192, 188990, 207889, 302384, 377980, 415778, 755960, 831556, 1039445, 1511920, 1663112, 2078890, 3326224, 4157780, 8315560, 16631120]

約数ペア:

[(1, 16631120), (2, 8315560), (4, 4157780), (5, 3326224), (8, 2078890), (10, 1663112), (11, 1511920), (16, 1039445), (20, 831556), (22, 755960), (40, 415778), (44, 377980), (55, 302384), (80, 207889), (88, 188990), (110, 151192), (176, 94495), (220, 75596), (440, 37798), (880, 18899)]