31073360

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20443}}^1$

素因数の和:20475

約数の個数: 40

約数和(自身を含む): 76051680

約数和(自身を除く): 44978320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 20443, 40886, 81772, 102215, 163544, 204430, 327088, 388417, 408860, 776834, 817720, 1553668, 1635440, 1942085, 3107336, 3884170, 6214672, 7768340, 15536680, 31073360]

約数ペア:

[(1, 31073360), (2, 15536680), (4, 7768340), (5, 6214672), (8, 3884170), (10, 3107336), (16, 1942085), (19, 1635440), (20, 1553668), (38, 817720), (40, 776834), (76, 408860), (80, 388417), (95, 327088), (152, 204430), (190, 163544), (304, 102215), (380, 81772), (760, 40886), (1520, 20443)]