12487280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12007}}^1$

素因数の和:12033

約数の個数: 40

約数和(自身を含む): 31268832

約数和(自身を除く): 18781552

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 12007, 24014, 48028, 60035, 96056, 120070, 156091, 192112, 240140, 312182, 480280, 624364, 780455, 960560, 1248728, 1560910, 2497456, 3121820, 6243640, 12487280]

約数ペア:

[(1, 12487280), (2, 6243640), (4, 3121820), (5, 2497456), (8, 1560910), (10, 1248728), (13, 960560), (16, 780455), (20, 624364), (26, 480280), (40, 312182), (52, 240140), (65, 192112), (80, 156091), (104, 120070), (130, 96056), (208, 60035), (260, 48028), (520, 24014), (1040, 12007)]