12801880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3517}}^1$

素因数の和:3548

約数の個数: 64

約数和(自身を含む): 35461440

約数和(自身を除く): 22659560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3517, 3640, 7034, 14068, 17585, 24619, 28136, 35170, 45721, 49238, 70340, 91442, 98476, 123095, 140680, 182884, 196952, 228605, 246190, 320047, 365768, 457210, 492380, 640094, 914420, 984760, 1280188, 1600235, 1828840, 2560376, 3200470, 6400940, 12801880]

約数ペア:

[(1, 12801880), (2, 6400940), (4, 3200470), (5, 2560376), (7, 1828840), (8, 1600235), (10, 1280188), (13, 984760), (14, 914420), (20, 640094), (26, 492380), (28, 457210), (35, 365768), (40, 320047), (52, 246190), (56, 228605), (65, 196952), (70, 182884), (91, 140680), (104, 123095), (130, 98476), (140, 91442), (182, 70340), (260, 49238), (280, 45721), (364, 35170), (455, 28136), (520, 24619), (728, 17585), (910, 14068), (1820, 7034), (3517, 3640)]