40399480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{491}}^1$

素因数の和:541

約数の個数: 96

約数和(自身を含む): 106006320

約数和(自身を除く): 65606840

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 121, 136, 170, 187, 220, 242, 340, 374, 440, 484, 491, 605, 680, 748, 935, 968, 982, 1210, 1496, 1870, 1964, 2057, 2420, 2455, 3740, 3928, 4114, 4840, 4910, 5401, 7480, 8228, 8347, 9820, 10285, 10802, 16456, 16694, 19640, 20570, 21604, 27005, 33388, 41140, 41735, 43208, 54010, 59411, 66776, 82280, 83470, 91817, 108020, 118822, 166940, 183634, 216040, 237644, 297055, 333880, 367268, 459085, 475288, 594110, 734536, 918170, 1009987, 1188220, 1836340, 2019974, 2376440, 3672680, 4039948, 5049935, 8079896, 10099870, 20199740, 40399480]

約数ペア:

[(1, 40399480), (2, 20199740), (4, 10099870), (5, 8079896), (8, 5049935), (10, 4039948), (11, 3672680), (17, 2376440), (20, 2019974), (22, 1836340), (34, 1188220), (40, 1009987), (44, 918170), (55, 734536), (68, 594110), (85, 475288), (88, 459085), (110, 367268), (121, 333880), (136, 297055), (170, 237644), (187, 216040), (220, 183634), (242, 166940), (340, 118822), (374, 108020), (440, 91817), (484, 83470), (491, 82280), (605, 66776), (680, 59411), (748, 54010), (935, 43208), (968, 41735), (982, 41140), (1210, 33388), (1496, 27005), (1870, 21604), (1964, 20570), (2057, 19640), (2420, 16694), (2455, 16456), (3740, 10802), (3928, 10285), (4114, 9820), (4840, 8347), (4910, 8228), (5401, 7480)]