13248560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12739}}^1$

素因数の和:12765

約数の個数: 40

約数和(自身を含む): 33174960

約数和(自身を除く): 19926400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 12739, 25478, 50956, 63695, 101912, 127390, 165607, 203824, 254780, 331214, 509560, 662428, 828035, 1019120, 1324856, 1656070, 2649712, 3312140, 6624280, 13248560]

約数ペア:

[(1, 13248560), (2, 6624280), (4, 3312140), (5, 2649712), (8, 1656070), (10, 1324856), (13, 1019120), (16, 828035), (20, 662428), (26, 509560), (40, 331214), (52, 254780), (65, 203824), (80, 165607), (104, 127390), (130, 101912), (208, 63695), (260, 50956), (520, 25478), (1040, 12739)]