25421810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1997}}^1$

素因数の和:2090

約数の個数: 32

約数和(自身を含む): 48911040

約数和(自身を除く): 23489230

約数列:

[1, 2, 5, 10, 19, 38, 67, 95, 134, 190, 335, 670, 1273, 1997, 2546, 3994, 6365, 9985, 12730, 19970, 37943, 75886, 133799, 189715, 267598, 379430, 668995, 1337990, 2542181, 5084362, 12710905, 25421810]

約数ペア:

[(1, 25421810), (2, 12710905), (5, 5084362), (10, 2542181), (19, 1337990), (38, 668995), (67, 379430), (95, 267598), (134, 189715), (190, 133799), (335, 75886), (670, 37943), (1273, 19970), (1997, 12730), (2546, 9985), (3994, 6365)]