27760720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26693}}^1$

素因数の和:26719

約数の個数: 40

約数和(自身を含む): 69511176

約数和(自身を除く): 41750456

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 26693, 53386, 106772, 133465, 213544, 266930, 347009, 427088, 533860, 694018, 1067720, 1388036, 1735045, 2135440, 2776072, 3470090, 5552144, 6940180, 13880360, 27760720]

約数ペア:

[(1, 27760720), (2, 13880360), (4, 6940180), (5, 5552144), (8, 3470090), (10, 2776072), (13, 2135440), (16, 1735045), (20, 1388036), (26, 1067720), (40, 694018), (52, 533860), (65, 427088), (80, 347009), (104, 266930), (130, 213544), (208, 133465), (260, 106772), (520, 53386), (1040, 26693)]