1450280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2789}}^1$

素因数の和:2813

約数の個数: 32

約数和(自身を含む): 3515400

約数和(自身を除く): 2065120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 2789, 5578, 11156, 13945, 22312, 27890, 36257, 55780, 72514, 111560, 145028, 181285, 290056, 362570, 725140, 1450280]

約数ペア:

[(1, 1450280), (2, 725140), (4, 362570), (5, 290056), (8, 181285), (10, 145028), (13, 111560), (20, 72514), (26, 55780), (40, 36257), (52, 27890), (65, 22312), (104, 13945), (130, 11156), (260, 5578), (520, 2789)]