22281680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:276

約数の個数: 80

約数和(自身を含む): 55442880

約数和(自身を除く): 33161200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 107, 137, 152, 190, 214, 274, 304, 380, 428, 535, 548, 685, 760, 856, 1070, 1096, 1370, 1520, 1712, 2033, 2140, 2192, 2603, 2740, 4066, 4280, 5206, 5480, 8132, 8560, 10165, 10412, 10960, 13015, 14659, 16264, 20330, 20824, 26030, 29318, 32528, 40660, 41648, 52060, 58636, 73295, 81320, 104120, 117272, 146590, 162640, 208240, 234544, 278521, 293180, 557042, 586360, 1114084, 1172720, 1392605, 2228168, 2785210, 4456336, 5570420, 11140840, 22281680]

約数ペア:

[(1, 22281680), (2, 11140840), (4, 5570420), (5, 4456336), (8, 2785210), (10, 2228168), (16, 1392605), (19, 1172720), (20, 1114084), (38, 586360), (40, 557042), (76, 293180), (80, 278521), (95, 234544), (107, 208240), (137, 162640), (152, 146590), (190, 117272), (214, 104120), (274, 81320), (304, 73295), (380, 58636), (428, 52060), (535, 41648), (548, 40660), (685, 32528), (760, 29318), (856, 26030), (1070, 20824), (1096, 20330), (1370, 16264), (1520, 14659), (1712, 13015), (2033, 10960), (2140, 10412), (2192, 10165), (2603, 8560), (2740, 8132), (4066, 5480), (4280, 5206)]