12722800

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1871}}^1$

素因数の和:1906

約数の個数: 60

約数和(自身を含む): 32381856

約数和(自身を除く): 19659056

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 136, 170, 200, 272, 340, 400, 425, 680, 850, 1360, 1700, 1871, 3400, 3742, 6800, 7484, 9355, 14968, 18710, 29936, 31807, 37420, 46775, 63614, 74840, 93550, 127228, 149680, 159035, 187100, 254456, 318070, 374200, 508912, 636140, 748400, 795175, 1272280, 1590350, 2544560, 3180700, 6361400, 12722800]

約数ペア:

[(1, 12722800), (2, 6361400), (4, 3180700), (5, 2544560), (8, 1590350), (10, 1272280), (16, 795175), (17, 748400), (20, 636140), (25, 508912), (34, 374200), (40, 318070), (50, 254456), (68, 187100), (80, 159035), (85, 149680), (100, 127228), (136, 93550), (170, 74840), (200, 63614), (272, 46775), (340, 37420), (400, 31807), (425, 29936), (680, 18710), (850, 14968), (1360, 9355), (1700, 7484), (1871, 6800), (3400, 3742)]