71535560

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 165110400

約数和(自身を除く): 93574840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 103, 179, 194, 206, 358, 388, 412, 485, 515, 716, 776, 824, 895, 970, 1030, 1432, 1790, 1940, 2060, 3580, 3880, 4120, 7160, 9991, 17363, 18437, 19982, 34726, 36874, 39964, 49955, 69452, 73748, 79928, 86815, 92185, 99910, 138904, 147496, 173630, 184370, 199820, 347260, 368740, 399640, 694520, 737480, 1788389, 3576778, 7153556, 8941945, 14307112, 17883890, 35767780, 71535560]

約数ペア:

[(1, 71535560), (2, 35767780), (4, 17883890), (5, 14307112), (8, 8941945), (10, 7153556), (20, 3576778), (40, 1788389), (97, 737480), (103, 694520), (179, 399640), (194, 368740), (206, 347260), (358, 199820), (388, 184370), (412, 173630), (485, 147496), (515, 138904), (716, 99910), (776, 92185), (824, 86815), (895, 79928), (970, 73748), (1030, 69452), (1432, 49955), (1790, 39964), (1940, 36874), (2060, 34726), (3580, 19982), (3880, 18437), (4120, 17363), (7160, 9991)]