81448960

素因数分解:

$2^{12}\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:167

約数の個数: 104

約数和(自身を含む): 202284936

約数和(自身を除く): 120835976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 97, 128, 160, 164, 194, 205, 256, 320, 328, 388, 410, 485, 512, 640, 656, 776, 820, 970, 1024, 1280, 1312, 1552, 1640, 1940, 2048, 2560, 2624, 3104, 3280, 3880, 3977, 4096, 5120, 5248, 6208, 6560, 7760, 7954, 10240, 10496, 12416, 13120, 15520, 15908, 19885, 20480, 20992, 24832, 26240, 31040, 31816, 39770, 41984, 49664, 52480, 62080, 63632, 79540, 83968, 99328, 104960, 124160, 127264, 159080, 167936, 198656, 209920, 248320, 254528, 318160, 397312, 419840, 496640, 509056, 636320, 839680, 993280, 1018112, 1272640, 1986560, 2036224, 2545280, 4072448, 5090560, 8144896, 10181120, 16289792, 20362240, 40724480, 81448960]

約数ペア:

[(1, 81448960), (2, 40724480), (4, 20362240), (5, 16289792), (8, 10181120), (10, 8144896), (16, 5090560), (20, 4072448), (32, 2545280), (40, 2036224), (41, 1986560), (64, 1272640), (80, 1018112), (82, 993280), (97, 839680), (128, 636320), (160, 509056), (164, 496640), (194, 419840), (205, 397312), (256, 318160), (320, 254528), (328, 248320), (388, 209920), (410, 198656), (485, 167936), (512, 159080), (640, 127264), (656, 124160), (776, 104960), (820, 99328), (970, 83968), (1024, 79540), (1280, 63632), (1312, 62080), (1552, 52480), (1640, 49664), (1940, 41984), (2048, 39770), (2560, 31816), (2624, 31040), (3104, 26240), (3280, 24832), (3880, 20992), (3977, 20480), (4096, 19885), (5120, 15908), (5248, 15520), (6208, 13120), (6560, 12416), (7760, 10496), (7954, 10240)]