31557520

素因数分解:

$2^4\times 5^1\times {\mathrm{233}}^1\times {\mathrm{1693}}^1$

素因数の和:1939

約数の個数: 40

約数和(自身を含む): 73729656

約数和(自身を除く): 42172136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 233, 466, 932, 1165, 1693, 1864, 2330, 3386, 3728, 4660, 6772, 8465, 9320, 13544, 16930, 18640, 27088, 33860, 67720, 135440, 394469, 788938, 1577876, 1972345, 3155752, 3944690, 6311504, 7889380, 15778760, 31557520]

約数ペア:

[(1, 31557520), (2, 15778760), (4, 7889380), (5, 6311504), (8, 3944690), (10, 3155752), (16, 1972345), (20, 1577876), (40, 788938), (80, 394469), (233, 135440), (466, 67720), (932, 33860), (1165, 27088), (1693, 18640), (1864, 16930), (2330, 13544), (3386, 9320), (3728, 8465), (4660, 6772)]