7124780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{409}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 16393440

約数和(自身を除く): 9268660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 409, 670, 818, 871, 1340, 1636, 1742, 2045, 3484, 4090, 4355, 5317, 8180, 8710, 10634, 17420, 21268, 26585, 27403, 53170, 54806, 106340, 109612, 137015, 274030, 356239, 548060, 712478, 1424956, 1781195, 3562390, 7124780]

約数ペア:

[(1, 7124780), (2, 3562390), (4, 1781195), (5, 1424956), (10, 712478), (13, 548060), (20, 356239), (26, 274030), (52, 137015), (65, 109612), (67, 106340), (130, 54806), (134, 53170), (260, 27403), (268, 26585), (335, 21268), (409, 17420), (670, 10634), (818, 8710), (871, 8180), (1340, 5317), (1636, 4355), (1742, 4090), (2045, 3484)]