31341040

素因数分解:

$2^4\times 5^1\times {\mathrm{347}}^1\times {\mathrm{1129}}^1$

素因数の和:1489

約数の個数: 40

約数和(自身を含む): 73142640

約数和(自身を除く): 41801600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 347, 694, 1129, 1388, 1735, 2258, 2776, 3470, 4516, 5552, 5645, 6940, 9032, 11290, 13880, 18064, 22580, 27760, 45160, 90320, 391763, 783526, 1567052, 1958815, 3134104, 3917630, 6268208, 7835260, 15670520, 31341040]

約数ペア:

[(1, 31341040), (2, 15670520), (4, 7835260), (5, 6268208), (8, 3917630), (10, 3134104), (16, 1958815), (20, 1567052), (40, 783526), (80, 391763), (347, 90320), (694, 45160), (1129, 27760), (1388, 22580), (1735, 18064), (2258, 13880), (2776, 11290), (3470, 9032), (4516, 6940), (5552, 5645)]