23001880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{857}}^1$

素因数の和:940

約数の個数: 64

約数和(自身を含む): 57451680

約数和(自身を除く): 34449800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 440, 488, 610, 671, 857, 1220, 1342, 1714, 2440, 2684, 3355, 3428, 4285, 5368, 6710, 6856, 8570, 9427, 13420, 17140, 18854, 26840, 34280, 37708, 47135, 52277, 75416, 94270, 104554, 188540, 209108, 261385, 377080, 418216, 522770, 575047, 1045540, 1150094, 2091080, 2300188, 2875235, 4600376, 5750470, 11500940, 23001880]

約数ペア:

[(1, 23001880), (2, 11500940), (4, 5750470), (5, 4600376), (8, 2875235), (10, 2300188), (11, 2091080), (20, 1150094), (22, 1045540), (40, 575047), (44, 522770), (55, 418216), (61, 377080), (88, 261385), (110, 209108), (122, 188540), (220, 104554), (244, 94270), (305, 75416), (440, 52277), (488, 47135), (610, 37708), (671, 34280), (857, 26840), (1220, 18854), (1342, 17140), (1714, 13420), (2440, 9427), (2684, 8570), (3355, 6856), (3428, 6710), (4285, 5368)]