66254320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{75289}}^1$

素因数の和:75313

約数の個数: 40

約数和(自身を含む): 168047280

約数和(自身を除く): 101792960

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 75289, 150578, 301156, 376445, 602312, 752890, 828179, 1204624, 1505780, 1656358, 3011560, 3312716, 4140895, 6023120, 6625432, 8281790, 13250864, 16563580, 33127160, 66254320]

約数ペア:

[(1, 66254320), (2, 33127160), (4, 16563580), (5, 13250864), (8, 8281790), (10, 6625432), (11, 6023120), (16, 4140895), (20, 3312716), (22, 3011560), (40, 1656358), (44, 1505780), (55, 1204624), (80, 828179), (88, 752890), (110, 602312), (176, 376445), (220, 301156), (440, 150578), (880, 75289)]