20162060840

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2357}}^1\times {\mathrm{2707}}^1$

素因数の和:5154

約数の個数: 64

約数和(自身を含む): 45975340800

約数和(自身を除く): 25813279960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 2357, 2707, 3160, 4714, 5414, 9428, 10828, 11785, 13535, 18856, 21656, 23570, 27070, 47140, 54140, 94280, 108280, 186203, 213853, 372406, 427706, 744812, 855412, 931015, 1069265, 1489624, 1710824, 1862030, 2138530, 3724060, 4277060, 6380399, 7448120, 8554120, 12760798, 25521596, 31901995, 51043192, 63803990, 127607980, 255215960, 504051521, 1008103042, 2016206084, 2520257605, 4032412168, 5040515210, 10081030420, 20162060840]

約数ペア:

[(1, 20162060840), (2, 10081030420), (4, 5040515210), (5, 4032412168), (8, 2520257605), (10, 2016206084), (20, 1008103042), (40, 504051521), (79, 255215960), (158, 127607980), (316, 63803990), (395, 51043192), (632, 31901995), (790, 25521596), (1580, 12760798), (2357, 8554120), (2707, 7448120), (3160, 6380399), (4714, 4277060), (5414, 3724060), (9428, 2138530), (10828, 1862030), (11785, 1710824), (13535, 1489624), (18856, 1069265), (21656, 931015), (23570, 855412), (27070, 744812), (47140, 427706), (54140, 372406), (94280, 213853), (108280, 186203)]