16061320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{211}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 39839040

約数和(自身を除く): 23777720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 173, 211, 220, 346, 422, 440, 692, 844, 865, 1055, 1384, 1688, 1730, 1903, 2110, 2321, 3460, 3806, 4220, 4642, 6920, 7612, 8440, 9284, 9515, 11605, 15224, 18568, 19030, 23210, 36503, 38060, 46420, 73006, 76120, 92840, 146012, 182515, 292024, 365030, 401533, 730060, 803066, 1460120, 1606132, 2007665, 3212264, 4015330, 8030660, 16061320]

約数ペア:

[(1, 16061320), (2, 8030660), (4, 4015330), (5, 3212264), (8, 2007665), (10, 1606132), (11, 1460120), (20, 803066), (22, 730060), (40, 401533), (44, 365030), (55, 292024), (88, 182515), (110, 146012), (173, 92840), (211, 76120), (220, 73006), (346, 46420), (422, 38060), (440, 36503), (692, 23210), (844, 19030), (865, 18568), (1055, 15224), (1384, 11605), (1688, 9515), (1730, 9284), (1903, 8440), (2110, 7612), (2321, 6920), (3460, 4642), (3806, 4220)]