19605040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2693}}^1$

素因数の和:2726

約数の個数: 80

約数和(自身を含む): 56121408

約数和(自身を除く): 36516368

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 2693, 3640, 5386, 7280, 10772, 13465, 18851, 21544, 26930, 35009, 37702, 43088, 53860, 70018, 75404, 94255, 107720, 140036, 150808, 175045, 188510, 215440, 245063, 280072, 301616, 350090, 377020, 490126, 560144, 700180, 754040, 980252, 1225315, 1400360, 1508080, 1960504, 2450630, 2800720, 3921008, 4901260, 9802520, 19605040]

約数ペア:

[(1, 19605040), (2, 9802520), (4, 4901260), (5, 3921008), (7, 2800720), (8, 2450630), (10, 1960504), (13, 1508080), (14, 1400360), (16, 1225315), (20, 980252), (26, 754040), (28, 700180), (35, 560144), (40, 490126), (52, 377020), (56, 350090), (65, 301616), (70, 280072), (80, 245063), (91, 215440), (104, 188510), (112, 175045), (130, 150808), (140, 140036), (182, 107720), (208, 94255), (260, 75404), (280, 70018), (364, 53860), (455, 43088), (520, 37702), (560, 35009), (728, 26930), (910, 21544), (1040, 18851), (1456, 13465), (1820, 10772), (2693, 7280), (3640, 5386)]