25673990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{397}}^1$

素因数の和:656

約数の個数: 32

約数和(自身を含む): 48142080

約数和(自身を除く): 22468090

約数列:

[1, 2, 5, 10, 29, 58, 145, 223, 290, 397, 446, 794, 1115, 1985, 2230, 3970, 6467, 11513, 12934, 23026, 32335, 57565, 64670, 88531, 115130, 177062, 442655, 885310, 2567399, 5134798, 12836995, 25673990]

約数ペア:

[(1, 25673990), (2, 12836995), (5, 5134798), (10, 2567399), (29, 885310), (58, 442655), (145, 177062), (223, 115130), (290, 88531), (397, 64670), (446, 57565), (794, 32335), (1115, 23026), (1985, 12934), (2230, 11513), (3970, 6467)]