40980160

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9851}}^1$

素因数の和:9881

約数の個数: 56

約数和(自身を含む): 105101136

約数和(自身を除く): 64120976

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 9851, 19702, 39404, 49255, 78808, 98510, 128063, 157616, 197020, 256126, 315232, 394040, 512252, 630464, 640315, 788080, 1024504, 1280630, 1576160, 2049008, 2561260, 3152320, 4098016, 5122520, 8196032, 10245040, 20490080, 40980160]

約数ペア:

[(1, 40980160), (2, 20490080), (4, 10245040), (5, 8196032), (8, 5122520), (10, 4098016), (13, 3152320), (16, 2561260), (20, 2049008), (26, 1576160), (32, 1280630), (40, 1024504), (52, 788080), (64, 640315), (65, 630464), (80, 512252), (104, 394040), (130, 315232), (160, 256126), (208, 197020), (260, 157616), (320, 128063), (416, 98510), (520, 78808), (832, 49255), (1040, 39404), (2080, 19702), (4160, 9851)]