5421880

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1523}}^1$

素因数の和:1623

約数の個数: 32

約数和(自身を含む): 12344400

約数和(自身を除く): 6922520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1523, 1780, 3046, 3560, 6092, 7615, 12184, 15230, 30460, 60920, 135547, 271094, 542188, 677735, 1084376, 1355470, 2710940, 5421880]

約数ペア:

[(1, 5421880), (2, 2710940), (4, 1355470), (5, 1084376), (8, 677735), (10, 542188), (20, 271094), (40, 135547), (89, 60920), (178, 30460), (356, 15230), (445, 12184), (712, 7615), (890, 6092), (1523, 3560), (1780, 3046)]