77020880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{56633}}^1$

素因数の和:56663

約数の個数: 40

約数和(自身を含む): 189610632

約数和(自身を除く): 112589752

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 56633, 113266, 226532, 283165, 453064, 566330, 906128, 962761, 1132660, 1925522, 2265320, 3851044, 4530640, 4813805, 7702088, 9627610, 15404176, 19255220, 38510440, 77020880]

約数ペア:

[(1, 77020880), (2, 38510440), (4, 19255220), (5, 15404176), (8, 9627610), (10, 7702088), (16, 4813805), (17, 4530640), (20, 3851044), (34, 2265320), (40, 1925522), (68, 1132660), (80, 962761), (85, 906128), (136, 566330), (170, 453064), (272, 283165), (340, 226532), (680, 113266), (1360, 56633)]