31883360

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2239}}^1$

素因数の和:2343

約数の個数: 48

約数和(自身を含む): 76204800

約数和(自身を除く): 44321440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1424, 1780, 2239, 2848, 3560, 4478, 7120, 8956, 11195, 14240, 17912, 22390, 35824, 44780, 71648, 89560, 179120, 199271, 358240, 398542, 797084, 996355, 1594168, 1992710, 3188336, 3985420, 6376672, 7970840, 15941680, 31883360]

約数ペア:

[(1, 31883360), (2, 15941680), (4, 7970840), (5, 6376672), (8, 3985420), (10, 3188336), (16, 1992710), (20, 1594168), (32, 996355), (40, 797084), (80, 398542), (89, 358240), (160, 199271), (178, 179120), (356, 89560), (445, 71648), (712, 44780), (890, 35824), (1424, 22390), (1780, 17912), (2239, 14240), (2848, 11195), (3560, 8956), (4478, 7120)]