88153880

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{12739}}^1$

素因数の和:12923

約数の個数: 32

約数和(自身を含む): 199508400

約数和(自身を除く): 111354520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 12739, 25478, 50956, 63695, 101912, 127390, 254780, 509560, 2203847, 4407694, 8815388, 11019235, 17630776, 22038470, 44076940, 88153880]

約数ペア:

[(1, 88153880), (2, 44076940), (4, 22038470), (5, 17630776), (8, 11019235), (10, 8815388), (20, 4407694), (40, 2203847), (173, 509560), (346, 254780), (692, 127390), (865, 101912), (1384, 63695), (1730, 50956), (3460, 25478), (6920, 12739)]