137456840

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{43499}}^1$

素因数の和:43589

約数の個数: 32

約数和(自身を含む): 313200000

約数和(自身を除く): 175743160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 43499, 86998, 173996, 217495, 347992, 434990, 869980, 1739960, 3436421, 6872842, 13745684, 17182105, 27491368, 34364210, 68728420, 137456840]

約数ペア:

[(1, 137456840), (2, 68728420), (4, 34364210), (5, 27491368), (8, 17182105), (10, 13745684), (20, 6872842), (40, 3436421), (79, 1739960), (158, 869980), (316, 434990), (395, 347992), (632, 217495), (790, 173996), (1580, 86998), (3160, 43499)]