6520280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12539}}^1$

素因数の和:12563

約数の個数: 32

約数和(自身を含む): 15800400

約数和(自身を除く): 9280120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 12539, 25078, 50156, 62695, 100312, 125390, 163007, 250780, 326014, 501560, 652028, 815035, 1304056, 1630070, 3260140, 6520280]

約数ペア:

[(1, 6520280), (2, 3260140), (4, 1630070), (5, 1304056), (8, 815035), (10, 652028), (13, 501560), (20, 326014), (26, 250780), (40, 163007), (52, 125390), (65, 100312), (104, 62695), (130, 50156), (260, 25078), (520, 12539)]