4518280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8689}}^1$

素因数の和:8713

約数の個数: 32

約数和(自身を含む): 10949400

約数和(自身を除く): 6431120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 8689, 17378, 34756, 43445, 69512, 86890, 112957, 173780, 225914, 347560, 451828, 564785, 903656, 1129570, 2259140, 4518280]

約数ペア:

[(1, 4518280), (2, 2259140), (4, 1129570), (5, 903656), (8, 564785), (10, 451828), (13, 347560), (20, 225914), (26, 173780), (40, 112957), (52, 86890), (65, 69512), (104, 43445), (130, 34756), (260, 17378), (520, 8689)]